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PSA 10: Median of 17 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 2026-09-12. Grade 9 guide (all graders): $14.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Grookey (Promo #52) at $2.89 market price (TCGplayer market). Its Delta multiple is 20.8x.
A PSA 10 Grookey (Promo #52) is currently shown at $60.00, the median of 17 PSA 10 sales in the last 45 days (newest Oct 23, 2026).
GemDelta records a 81.8% gem rate for Grookey (Promo #52), with 18 PSA 10 copies out of 22 total PSA grades and a 20.8x Delta. That describes the grading profile; it is not financial advice.
Showing the latest 12 of 24 stored PSA 10 comps.