What Does “PSA POP” Mean in Sports Cards?
POP is short for “population,” and is used to reference the scarcity of graded cards or how many there are in existence. Therefore, a POP 1 PSA 10 card would mean it’s the only PSA 10 in existence. A POP count of 18 would mean there are 18 that have been graded, and so on. […]
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