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Use this guide to compare grading companies, understand condition terms, and decide when grading makes sense.
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PSA, BGS, CGC, and SGC are the main grading references covered here.
These are the four condition areas graders evaluate on most cards.
Grading usually makes the most sense when a card has meaningful market upside.
Graded cards are authenticated by the grading company, which reduces counterfeit risk.
Higher grades usually sell for more. In some cases, a PSA 10 can be worth much more than a PSA 8.
Graded cards are sealed in protective cases, which helps preserve condition over time.
Scale: 1-10
The most recognized grading company. PSA grades are the industry standard for sports cards.
How well the image is centered within the borders. 50/50 is the ideal target.
Sharpness of all four corners. Any rounding or wear reduces grade.
Condition of card edges. Chipping, roughness, or wear affects grade.
Print quality, scratches, stains, or other surface imperfections.
When Grading Makes Sense
Consider grading high-value cards in excellent condition: rookie cards, rare inserts, and premium parallels usually benefit most. Grading often costs $20-50+ per card, so it usually does not make sense for common inventory.
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