Introduction to Card Grading
Card grading is the professional assessment of a trading or sports card's condition by a third-party company. Using standardized criteria, experts evaluate aspects like centering, corners, edges, and surface to assign a numerical grade, typically on a scale of 1-10.
Why Grade Your Cards?
- Establishes an objective condition assessment
- Protects cards from further damage
- Increases marketability and liquidity
- Authenticates cards as genuine
- Potentially increases value significantly
When to Grade Cards
- High-value cards in excellent condition
- Rookie cards of star players
- Vintage cards for authentication
- Cards you plan to sell for premium prices
- Important cards for long-term investment
The difference between a PSA 9 and PSA 10 grade can sometimes mean a price difference of 2-5x or more, especially for modern rookie cards and chase cards. For vintage cards, professional grading provides authentication and preservation that can significantly enhance value and collectibility.
Understanding Grading Scales
Most major grading companies use a numerical scale from 1 to 10, with 10 being perfect or "Gem Mint" condition. Each grade represents a specific condition level, with precise criteria for evaluation.
Gem Mint 10
Perfect card. No imperfections visible to the naked eye and perfectly centered (50/50).
Key Characteristics:
- Perfect corners with no visible wear
- Perfectly centered (50/50)
- Pristine edges with no whitening
- Flawless surface with no scratches or print defects
Mint 9
Near perfect. Very minor flaws that are difficult to detect.
Key Characteristics:
- Corners show minimal wear visible only under magnification
- Centering 55/45 to 60/40
- Edges show very minor whitening visible under close inspection
- Surface may have one tiny flaw visible only under magnification
Near Mint-Mint 8
Excellent condition with slight imperfections.
Key Characteristics:
- Corners show slight wear but remain sharp overall
- Centering may be 65/35 to 70/30
- Edges may have slight whitening visible upon inspection
- Surface may have minor print defects or slight scratching
Near Mint 7
Minor flaws visible upon casual inspection.
Key Characteristics:
- Corners show noticeable wear but no major fraying
- Centering may be 75/25
- Edges have noticeable whitening
- Surface may have slight scuffing or minor print defects
Excellent-Mint 6
Above average condition with noticeable imperfections.
Key Characteristics:
- Corners show wear and slight fraying
- Centering may be 80/20
- Edges display obvious whitening
- Surface may have light scratches or print defects
Excellent 5
Average condition card with clear wear.
Key Characteristics:
- Corners show moderate rounding or fraying
- Centering may be 85/15
- Edges show moderate whitening
- Surface may have visible scratches or print defects
Grading Scale Differences
While most companies use a 1-10 scale, there are important differences:
- PSA: Uses whole numbers only (no half grades)
- BGS: Uses quarter-point increments (9.5, 9, 8.5, etc.) and provides subgrades
- SGC: Previously used a 100-point scale but now uses a 1-10 scale like PSA
- CSG: Uses half-point increments (9.5, 9, 8.5, etc.)
- TAG: Uses 1-10 scale plus unique 3-digit score (100-1000) for precise ranking
PSA Grading Scale
PSA (Professional Sports Authenticator) uses a 1-10 grading scale. Here's a detailed breakdown of each grade with specific centering requirements and key characteristics.
PSA 10
Gem Mint- • Virtually perfect card
- • Four perfectly sharp corners
- • Sharp focus and full original gloss
- • Free of staining of any kind
- • Slight printing imperfection allowed if it doesn't impair overall appeal
PSA 9
Mint- • Superb condition card
- • Only one minor flaw allowed
- • Very slight wax stain on reverse acceptable
- • Minor printing imperfection acceptable
- • Slightly off-white borders acceptable
PSA 8
NM-MT- • Super high-end card that appears Mint 9 at first glance
- • Very slight wax stain on reverse acceptable
- • Slightest fraying at one or two corners
- • Minor printing imperfection acceptable
- • Slightly off-white borders acceptable
PSA 7
Near Mint- • Slight surface wear visible upon close inspection
- • Slight fraying on some corners
- • Picture focus may be slightly out-of-register
- • Minor printing blemish acceptable
- • Most original gloss retained
PSA 6
EX-MT- • Visible surface wear or printing defect
- • Very light scratch detectable upon close inspection
- • Corners may have slightly graduated fraying
- • Some loss of original gloss
- • Very slight notching on edges acceptable
PSA 5
Excellent- • Very minor rounding of corners becoming evident
- • Surface wear or printing defects more visible
- • Minor chipping on edges
- • Loss of original gloss more apparent
- • Several light scratches may be visible upon close inspection
PSA 4
VG-EX- • Corners may be slightly rounded
- • Surface wear noticeable but modest
- • Light scuffing or light scratches
- • Some original gloss retained
- • Light crease may be visible
PSA 3
Very Good- • Some rounding of corners, though not extreme
- • Surface wear apparent with possible light scuffing
- • Much of original gloss lost
- • Borders may be somewhat yellowed/discolored
- • Crease may be visible
PSA 2
Good- • Corners show accelerated rounding
- • Surface wear becoming obvious
- • Scratching, scuffing, light staining, or chipping on obverse
- • Several creases possible
- • Original gloss may be completely absent
PSA 1.5
Fair- • Corners show extreme wear, possibly affecting picture framing
- • Advanced stages of wear including scuffing, scratching, pitting
- • Picture possibly quite out-of-register
- • One or more heavy creases
- • Card must be fully intact to achieve this grade
PSA 1
Poor- • Defects advanced to serious stage
- • Eye appeal nearly vanished
- • May be missing one or two small pieces
- • Major creasing nearly breaking through all layers
- • Extreme discoloration or dirtiness throughout
PSA Half-Point Grades
PSA offers half-point grades between PSA 2 and PSA 9 for cards that exhibit high-end qualities within a grade, with focus on centering.
PSA Qualifiers & Designations
PSA uses qualifier codes to indicate specific conditions or issues with a card. Some qualifiers are mandatory, while others are optional based on grader discretion.
Qualifier Codes
| Code | Name | Description | Type |
|---|---|---|---|
| MK | Marks | Any cards with writing, ink marks, pencil marks, or evidence of impression left from writing. | Mandatory |
| MC | Miscut | Cards that exhibit an atypical cut for the issue, which may result in portions being cut off or more than one card being visible. | Mandatory |
| OC | Off Center | Cards that are off center beyond acceptable parameters for the grade. A 5% leeway is given to front centering for PSA 7 or better. | Optional |
| ST | Staining | Cards with staining present that may impact the grade or receive this qualifier designation. | Optional |
| PD | Print Defect | Cards with printing defects that may impact the grade or receive this qualifier designation. | Optional |
| AA | Authentic Altered | Genuine card with alterations such as trimming, recoloring, restoration, and/or cleaning. Cannot receive numerical grade. | Mandatory |
No-Grade Designations
If your card is returned without a numeric grade, it will have one of these designations:
| Code | Reason | Description | Fee? |
|---|---|---|---|
| N0 | Authentic | PSA certifies the item is genuine without a numerical grade. May be due to alteration, major defect, or submitter request. | Yes |
| N1 | Evidence of Trimming | Card's edge appears altered. Signs include hooked edges, unusually sharp edges, inconsistent edge color tone, or wavy unnatural edges. | Yes |
| N2 | Evidence of Restoration | Card's paper stock appears built up, such as ripped corners built up to look new. | Yes |
| N3 | Evidence of Recoloration | Card's color appears to have been artificially improved. | Yes |
| N4 | Questionable Authenticity | Card appears counterfeit or autograph deemed not genuine. Never qualifies for encapsulation. | Yes |
| N5 | Altered Stock | Shows paper restoration, crease pressing, scratch removal, enhanced gloss, or foreign substance applied (cleaning spray, wax). | Yes |
| N6 | Minimum Size Requirement | Card is significantly undersized according to factory specifications. | No |
| N7 | Evidence of Cleaning | Whitener used on borders or solution used to remove stains. Foreign substance applied to surface. | Yes |
| N8 | Miscut | Factory cut is abnormal for the issue, causing edges to deviate from intended appearance. | No |
| N9 | Don't Grade | PSA does not grade or cannot encapsulate the issue. May be oversized or an obscure issue. | No |
Beckett (BGS) Grading Scale
Beckett Grading Services (BGS) provides detailed subgrades in four categories: Centering, Corners, Edges, and Surface. The final grade is determined by the combination of these subgrades.
BGS Subgrade System
Beckett provides four subgrades: Centering, Corners, Edges, and Surface. The final grade is determined by the combination of these subgrades.
Detailed Grade Breakdown
BGS 10 - Pristine
Centering: 50/50 all around / 60/40 or betterPerfect to the naked eye and Mint under magnification
Perfect to the naked eye and virtually free of flaws under magnification
No print spots. Flawless color, devoid of registration or focus imperfections. Perfect gloss, devoid of scratches and metallic print lines
BGS 9.5 - Gem Mint
Centering: 50/50 one way, 55/45 other / 60/40 or betterMint to the naked eye, but slight imperfections allowed under magnification
Virtually Mint to the naked eye. A speck of wear allowed under intense scrutiny
Few extremely minor print spots, detectable only under intense scrutiny. Deep color, perfect gloss, devoid of scratches and metallic print lines
BGS 9 - Mint
Centering: 55/45 both ways / 70/30 or betterMint upon close inspection. A speck of wear allowed under intense scrutiny
Virtually Mint to the naked eye. Unobtrusive specks of chipping on borders allowed
Handful of printing specks or one minor spot. Very minor focus or color imperfections. Clean gloss with one or two tiny scratches barely noticeable
BGS 8 - NM-MT
Centering: 60/40 both ways or better / 80/20 or betterSharp to the naked eye, but slight imperfections allowed under close examination
Relatively smooth borders. Specks of chipping visible to the naked eye allowed
Few minor print spots. Very minor color or focus imperfections. Solid gloss with very minor scratches detectable only upon close inspection
BGS 7 - Near Mint
Centering: 65/35 both ways or better / 90/10 or betterVery minor wear on two or three corners allowed
Slight roughness, minor chipping or very minor notching allowed
Few noticeable print spots or minor speckling. Minor color or focus imperfections. Solid gloss with few minor scratches. Very slight diamond cutting allowed
BGS 6 - Excellent-Mint
Centering: 70/30 both ways or better / 95/5 or betterFuzzy corners, but free of dings and fraying
Moderate roughness, moderate chipping or minor notching allowed
Noticeable print spots. Minor color or focus imperfections. Minor border discoloration. Relatively solid gloss with minor scratches, devoid of scuffing
BGS 5 - Excellent
Centering: 75/25 both ways or better / 95/5 or betterFour fuzzy corners, a touch of notching or a minor ding allowed
Noticeable roughness but no layering. Very slight notching or noticeable chipping allowed
Noticeable print spots. Minor color or focus imperfections. Minor border discoloration. Some gloss lost from surface with minor scratches
BGS 4 - VG-EX
Centering: 80/20 both ways or better / 100/0 or betterSlight notching or layering, or moderate dings allowed
Readily chipped or notched and/or slightly layered
Heavy print spots. Hairline creases. Moderate color or focus imperfections. A good deal of gloss lost from surface. Very minor scuffing allowed
BGS 3 - Very Good
Centering: 85/15 both ways or better / 100/0 or betterSlightly rounded or noticeably notched with slight layering allowed
Heavy notching, moderate layering or heavy chipping allowed
Heavy print spots. Very minor creases. Noticeable color or focus imperfections. Very little surface gloss. Minor scuffing or very minor tear
BGS 2 - Good
Centering: 90/10 both ways or better / 100/0 or offcutNoticeably rounded or heavily notched with moderate layering
Severely chipped, notched or layered
Severe print spots. Noticeable creases. Surface devoid of gloss. Noticeable scuffing or a noticeable tear. Noticeable diamond cutting allowed
BGS 1 - Poor
Centering: 100/0 or offcut / 100/0 or offcutHeavily rounded or heavily notched with noticeable layering
Destructive chipping, notching or layering
Severe print spots. Heavy creases. Severe color or focus imperfections. No original gloss. Heavy scuffing or a severe tear. Heavy diamond cutting allowed
BGS Black Label
A BGS Black Label 10 (also called "Pristine") is awarded when a card receives a 10 in ALL four subgrades. These are extremely rare and command significant premiums. A standard BGS 10 requires an overall grade of 10 but may have some subgrades below 10.
TAG Grading Scale
TAG (Technology Assisted Grading) uses AI and high-resolution imaging to provide objective, consistent grading with a unique 3-digit scoring system (100-1000).
What Makes TAG Different
Score to Grade Conversion
TAG uses a unique 3-digit scoring system (100-1000) that maps to traditional grades:
| Score Range | Grade | Condition |
|---|---|---|
| 990 - 1000 | 10 | Pristine |
| 950 - 989 | 10 | Gem Mint |
| 900 - 949 | 9 | Mint |
| 850 - 899 | 8.5 | NM MT+ |
| 800 - 849 | 8 | NM MT |
| 750 - 799 | 7.5 | NM+ |
| 700 - 749 | 7 | NM |
| 650 - 699 | 6.5 | EX MT+ |
| 600 - 649 | 6 | EX MT |
| 550 - 599 | 5.5 | EX+ |
| 500 - 549 | 5 | EX |
| 450 - 499 | 4.5 | VG EX+ |
| 400 - 449 | 4 | VG EX |
| 350 - 399 | 3.5 | VG+ |
| 300 - 349 | 3 | VG |
| 250 - 299 | 2.5 | Good+ |
| 200 - 249 | 2 | Good |
| 150 - 199 | 1.5 | Fair |
| 100 - 149 | 1 | Poor |
Detailed Grade Breakdown
TAG 10 - Pristine
990 - 1000Virtually flawless. No visible wear or fraying. Sharp and crisp under high resolution
Flawless, exhibiting only Non-Human Observable Defects (NHODs)
Virtually flawless with very minor fill or fray artifacts under high resolution
TAG 10 - Gem Mint
950 - 9894 sharp corners with minor fill/fray artifacts. Light corner touch on reverse acceptable
Extremely attractive. Slight print imperfection under hi-res. Very minor pit or light scratch allowed
Minor fill or fray. Very minor edge surface wear under high resolution
TAG 9 - Mint
900 - 949Sharp and square. Up to 2 very light corner touches on front where stock compromised
Larger/deeper pit acceptable. 2-3 small pits or longer non-penetrating scratch. Light print line allowed
Visible but minor edge surface wear on 1-2 edges. More significant fill/fray artifacts
TAG 8.5 - NM-MT+
850 - 899Sharp and square. Multiple light corner touches on front. Small missing stock on back corners
Multiple surface defects. Small scratch penetrating gloss. Very minor scuffing possible
Visible edge surface wear or light chipping on multiple edges
TAG 8 - NM-MT
800 - 849May start showing minor wear. Light touches on front, more wear on back
Several defects present. Minor but larger print imperfections. Minor roller line possible
Edge surface wear and minor chipping on all four edges. Minor lifting may start
TAG 7.5 - NM+
750 - 799More wear, may start losing sharpness. All four corners may have touches
Very minor dent possible. Multiple visible defects in facial region
Chipping continues. Larger fray areas. More significant lifting visible
TAG 7 - Near Mint
700 - 749Still square but fraying on corner surfaces. Slight bend or hit possible
Minor dent may impact both sides. Multiple print dots visible
Minor notch may appear. Lifting on all four edges. Wear and chipping fully visible
TAG 6 - EX-MT
600 - 649One corner may show slight rounding. Multiple corners show more wear
Longer visible wrinkle on back. Light staining may appear. Larger dent possible
Minor notches on 3+ edges or one severe notch. Larger chipping areas
Understanding TAG Scores
TAG provides half-point grades throughout the scale, plus a unique 3-digit score (100-1000) for precise condition ranking.
Autograph Grading
Both PSA and Beckett offer autograph grading services for signed cards. The autograph is graded separately from the card itself, resulting in dual grades on the label.
Beckett Autograph Grading Scale (5-10)
Beckett grades autographs on a scale of 5-10 with no half-point grades. Here are the criteria for each grade:
Auto Grade 10
Beautiful, boldly signed autograph that appears nearly perfect
- • Looks aesthetically pleasing under normal viewing
- • No visible flaws to the naked eye
- • Perfect positioning on the card
Auto Grade 9
Very pleasing signature with slight imperfections
- • Very light bubbling or micro scratching allowable
- • No yellowing, fading, or smearing
- • Nearly perfect positioning - only very tips of letters cut off or hidden
Auto Grade 8
Solid and pleasing signature with some flaws
- • May be somewhat bubbled throughout
- • Minor scuffing/scratching that detracts from aesthetic
- • Only lightly visible yellowing, fading, or smearing
- • Up to 10% of signature may be hidden or missing
- • Very small tip may run off or bleed onto edge
Auto Grade 7
Flaws are evident but signature still presentable
- • Heavy bubbling throughout
- • Noticeable scratching
- • Minor but noticeable yellowing or fading
- • Small but obvious portions of smeared ink
- • Up to 20% may be hidden or missing
- • Portion may run off card or bleed onto edge
Auto Grade 6
Heavy flaws easily visible and highly distracting
- • Bubbling making portions essentially invisible
- • Extremely distracting scratching
- • Yellowing or fading present
- • Significantly smeared ink on multiple areas
- • Up to 35% may be hidden or missing
- • Several letters may run off card
Auto Grade 5
Very heavy flaws that highly distract from autograph
- • Portions of autograph completely removed or invisible
- • Catastrophic scratching throughout entire autograph
- • Extremely heavy yellowing
- • Massive fading of entire signature
- • Smeared ink throughout entire autograph
- • Over 50% may be hidden or missing
Key Factors in Autograph Grading
Positive Factors
- • Bold, clear signature
- • Good positioning on the card
- • No smearing or fading
- • Complete signature visible
- • Clean, unblemished appearance
Negative Factors
- • Bubbling or lifting of signature
- • Scratching or scuffing
- • Yellowing or fading over time
- • Smeared ink
- • Signature running off edge or hidden
The Card Grading Process
Professional card grading follows a systematic process to ensure consistency and accuracy in evaluation. Here's what happens when you submit cards for grading:
- 1
Preparation
Select cards in the best condition, clean them if necessary (carefully), and place them in protective sleeves and card savers.
- 2
Submission
Complete the grading company's submission form, including declared value for insurance purposes. Package cards securely.
- 3
Initial Review
Grading company performs an initial review to ensure cards aren't trimmed, altered, or counterfeit.
- 4
Grading
Expert graders examine the cards under proper lighting, using magnification to evaluate centering, corners, edges, and surface.
- 5
Encapsulation
Cards are sealed in tamper-evident plastic cases (slabs) with labels indicating grade and authentication details.
- 6
Return
Graded cards are carefully packaged and returned to the customer with accompanying certification.
Factors That Influence Grading
| Factor | Description | Importance |
|---|---|---|
| Centering | How well the card's image is positioned within its borders | Critical - Poor centering is immediately visible and cannot be fixed |
| Corners | The sharpness and condition of the card's four corners | Very High - Corner wear is common and easily noticed |
| Edges | The condition of the card's edges, looking for whitening or chipping | High - Edge whitening is a common condition issue |
| Surface | The condition of the card's front and back surfaces | High - Scratches, print defects, and scuffing affect grade significantly |
| Print Quality | Manufacturing quality issues like print lines or registration | Medium - Factory defects may be considered in grading |
| Color | Fading or discoloration compared to a properly preserved card | Medium - Affects overall eye appeal |
Pro Tips for Better Grades
- Never clean cards with chemicals or abrasives
- Handle cards only by the edges, wearing cotton gloves if possible
- Use penny sleeves and card savers for submission
- Pre-screen your cards carefully, examining under good lighting
- Consider the cost-benefit ratio of grading vs. potential value increase
Major Grading Companies
Several established companies offer professional card grading services, each with their own standards, holder designs, and market recognition. Here's how they compare:
PSA (Professional Sports Authenticator)
Industry leader with the largest market share. Uses a 1-10 scale with no half grades or subgrades.
Advantages
- Highest market premiums for most cards
- Largest population reports
- Most recognizable slabs
Limitations
- No subgrades
- Can be more expensive
- Longer wait times during high volume periods
BGS (Beckett Grading Services)
Known for rigorous standards and subgrades. Uses a 1-10 scale with half points and provides individual subgrades for centering, corners, edges, and surface.
Advantages
- Detailed subgrades
- Black Label for perfect 10 subgrades
- Premium for modern cards
Limitations
- Higher cost for subgrades
- Generally lower population counts
- Stricter grading standards
SGC (Sportscard Guaranty)
Known for vintage cards and attractive black slabs. Uses a 1-10 scale similar to PSA.
Advantages
- Usually faster turnaround times
- Attractive slab design
- Strong reputation for vintage cards
Limitations
- Generally lower market premiums than PSA/BGS
- Smaller market share
- Less recognized by casual collectors
CSG (Certified Sports Guaranty)
Newer entrant with transparent slabs and precise grading. Uses a 1-10 scale with half grades.
Advantages
- Transparent cases
- Competitive pricing
- Strong reputation from coin/comic grading
Limitations
- Newer to market
- Lower market premiums currently
- Building collector acceptance
TAG (Technology Assisted Grading)
AI-powered grading with unique 3-digit scoring system (100-1000). Provides detailed DIG reports with high-resolution defect imaging.
Advantages
- Objective AI-assisted grading
- 3-digit numerical scores for precise ranking
- DIG reports with defect images
- Card Rank comparison
Limitations
- Newest to market
- Still building market acceptance
- Limited population data compared to established companies
Choosing the Right Grading Company
Consider these factors when selecting a grading service:
- Card Type: Vintage cards often do well with PSA or SGC; modern cards may benefit from BGS's subgrades
- Budget: Pricing varies significantly between companies and service levels
- Timeframe: Turnaround times can range from days to months
- Market Premiums: Research which service commands the highest premium for your specific card type
- Personal Preference: Some collectors prefer certain slab designs or labeling systems
Benefits of Professional Grading
Professional grading offers numerous advantages beyond just knowing the condition of your card:
Increased Value
High-grade cards typically command significant premiums over raw cards. Cards graded 9 or 10 can sell for multiples of their ungraded value, especially for key rookie cards and rare issues.
Example: A raw 2018 Luka Dončić Prizm rookie might sell for $200-300, while a PSA 10 version can sell for $1,500-2,000 — a 5-7x increase.
Authentication
Professional grading includes authentication, verifying your card is genuine and not counterfeit or altered. This is particularly important for vintage and high-value modern cards.
Authentication helps combat the growing problem of counterfeit cards, particularly with popular rookie cards and autographed cards.
Preservation
Graded cards are sealed in tamper-evident cases that protect them from handling damage, environmental factors, and accidental damage. This preservation aspect is valuable for long-term collecting.
The protective slab prevents common damage like corner dings, edge wear, and surface scratches that occur with handling.
Marketability
Graded cards are easier to sell and often sell faster than raw cards. Buyers have more confidence in the condition and authenticity, increasing liquidity in the market.
Online marketplaces and auction houses often feature graded cards prominently, and many buyers specifically search for graded examples.
Is Grading Worth It?
Grading typically makes financial sense when:
- The card has significant value (generally $50+ raw)
- The card appears to be in excellent condition (potential 9-10 grade)
- It's a rookie card of a star player or a chase card
- The card is vintage and authentication adds significant value
- You're looking to sell the card in the near future
Consider the cost of grading (currently $15-$100+ per card depending on service level and company) against the potential value increase before submitting.
Grading Tools
Use our interactive tools to compare grading costs and determine if grading your card makes financial sense.
Grading Cost Calculator
Should I Grade This Card?
2025 Grading Prices Comparison
Prices are per card and subject to change. Always verify current pricing on official websites.
| Service Level | PSA | SGC | BGS |
|---|---|---|---|
| Budget/Economy 45-120+ days | $25-40 45-65 days | $20-30 30-60 days | $30-50 50-120+ days |
| Express 5-15 days | $150-300 5-10 days | $50-100 5-15 days | $100-250 2-10 days |
| Walk-Through Same/next day | $600 1-2 days | $250 Same day | N/A - |
PSA Certificate Verification
Verify the authenticity of any PSA graded card by entering its certificate number below.
PSA Cert Verification
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Final Thoughts
Card grading is an essential aspect of the modern sports card collecting hobby. While not every card warrants professional grading, understanding the process and standards can help you make informed decisions about your collection.
Whether you're looking to maximize value for selling, authenticate important cards, or simply preserve your favorites in the best possible condition, professional grading services offer significant benefits for serious collectors.