what are pokemon card grades Pokémon Grading 101: The Major Grading Companies and Their Market – Ravaver Pokemon Card Rankings: Everything You

The first is volume: If a small card store is charging $1 for a card (and only has one available) and eBay sold 200 of them yesterday for $2 each, it's likely that the true value of the card is closer to $2 than $1

One box may not contain every card in the expansion

Serena Is One Of Pokmon: Silver Tempest's Full Art Trainer Cards Another rare Trainer card from Silver Tempest is the Full Art version of Serena, though it isn't actually a part of the expansion's Trainer Gallery

Houndour #17 Pokemon Japanese Violet Ex Keep track of your collection value over time

When fan demand is high and supply is low, the value naturally increases