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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Swellow (POP Series 1 #15) at $1.86 market price (TCGplayer market). Its Delta multiple is 23.1x.
A PSA 10 Swellow (POP Series 1 #15) is currently shown at $69.04. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 23.1% gem rate for Swellow (POP Series 1 #15), with 9 PSA 10 copies out of 39 total PSA grades and a 23.1x Delta. That describes the grading profile; it is not financial advice.