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PSA 10: Median of 9 sales, last 45 days · newest Oct 23, 2026 · checked Oct 25, 2026
PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-10-10. Grade 9 guide (all graders): $152.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Mewtwo Ex (30th Celebration #151) at $45.25 market price (TCGplayer market). Its Delta multiple is 10.1x.
A PSA 10 Mewtwo Ex (30th Celebration #151) is currently shown at $455, the median of 9 PSA 10 sales in the last 45 days (newest Oct 23, 2026).
GemDelta records a 76.4% gem rate for Mewtwo Ex (30th Celebration #151), with 81 PSA 10 copies out of 106 total PSA grades and a 10.1x Delta. That describes the grading profile; it is not financial advice.