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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Good Manners (Gym Heroes #111) at $3.50 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 7.66x.
A PSA 10 Good Manners (Gym Heroes #111) is currently shown at $26.81. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 20.5% gem rate for Good Manners (Gym Heroes #111), with 8 PSA 10 copies out of 39 total PSA grades and a 7.66x Delta. That describes the grading profile; it is not financial advice.