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PSA 10: Median of 5 sales, last 45 days · newest Oct 24, 2026 · checked Oct 27, 2026
PSA 9: Median of 6 PSA 9 sales in the last 90 days, latest 2026-10-23. Grade 9 guide (all graders): $44.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Mewtwo (TCG Classic: Blastoise Deck #14) at $24.67 market price (TCGplayer market). Its Delta multiple is 6.63x.
A PSA 10 Mewtwo (TCG Classic: Blastoise Deck #14) is currently shown at $164, the median of 5 PSA 10 sales in the last 45 days (newest Oct 24, 2026).
GemDelta records a 41.0% gem rate for Mewtwo (TCG Classic: Blastoise Deck #14), with 833 PSA 10 copies out of 2,033 total PSA grades and a 6.63x Delta. That describes the grading profile; it is not financial advice.