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PSA 10: Median of 30 sales, last 45 days · newest Oct 25, 2026 · checked Oct 27, 2026
PSA 9: Median of 28 PSA 9 sales in the last 90 days, latest 2026-10-26. Grade 9 guide (all graders): $80.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Mewtwo (Promo #52) at $41.80 market price (TCGplayer market). Its Delta multiple is 14.4x.
A PSA 10 Mewtwo (Promo #52) is currently shown at $600, the median of 30 PSA 10 sales in the last 45 days (newest Oct 25, 2026).
GemDelta records a 20.7% gem rate for Mewtwo (Promo #52), with 8,246 PSA 10 copies out of 39,872 total PSA grades and a 14.4x Delta. That describes the grading profile; it is not financial advice.
Showing the latest 12 of 30 stored PSA 10 comps.