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PSA 10: PriceCharting · last PSA 10 sale $300.00 on Aug 24, 2026 · checked Oct 27, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-25. Grade 9 guide (all graders): $22.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Grookey (Promo #SWSH070) at $1.54 market price (TCGplayer market). Its Delta multiple is 122x.
A PSA 10 Grookey (Promo #SWSH070) is currently shown at $188. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 17.0% gem rate for Grookey (Promo #SWSH070), with 41 PSA 10 copies out of 241 total PSA grades and a 122x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Aug 24, 2026 | 2020 POKEMON SWSH BLACK STAR PROMO #070 GROOKEY-HOLO PSA 10 #SWSH070 | $300.00 |