Gem Mint (PSA 10)
PSA's Gem Mint grade (PSA 10) is for a card that is virtually perfect. PSA's glossary asks for razor-sharp corners, centering no worse than 55-45, and original color and gloss.
Where this definition comes from
A PSA Gem Mint 10 card is a virtually perfect card.
PSA grading standards, readA card that is virtually perfect. Corners must be razor sharp, centering must be no worse than 55-45, and the cards color and gloss must be original.
PSA glossary (G), read
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