U.C.M — Universal Cards Market

Collector Guides

Short, practical guides for Pokémon, One Piece, Yu-Gi-Oh!, Magic, Lorcana, Dragon Ball Super and Digimon collectors.

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How to Check What a Pokémon Card Is Worth

Two cards with the same Pokémon on them can be worth a few cents or a few thousand dollars. Here is how to find out which one you have, in five steps.

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Japanese vs English One Piece Cards

Many One Piece collectors buy both languages. They share the same card codes and most of the same art, but they are separate products with their own prices.

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What PSA 10 Does to a Card's Price

Grading can turn a valuable card into a far more valuable one. But the jump depends on the card, the grade and how many perfect copies exist.

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Card Variants Explained

The same card can be printed in several versions, and each version has its own price. Here is what the most common names mean.

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