Dashboard
PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Thunder Mountain (Lost Thunder #191) at $1.95 market price (TCGplayer market). Its Delta multiple is 33.5x.
A PSA 10 Thunder Mountain (Lost Thunder #191) is currently shown at $60.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 14.3% gem rate for Thunder Mountain (Lost Thunder #191), with 7 PSA 10 copies out of 49 total PSA grades and a 33.5x Delta. That describes the grading profile; it is not financial advice.