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PSA 10: Median of 10 sales, last 45 days · newest Oct 26, 2026 · checked Oct 27, 2026
PSA 9: Median of 21 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $525.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Brock's Ninetales (Gym Challenge #3) at $261 market price (TCGplayer market). Its Delta multiple is 13.6x.
A PSA 10 Brock's Ninetales (Gym Challenge #3) is currently shown at $3,540, the median of 10 PSA 10 sales in the last 45 days (newest Oct 26, 2026).
Showing the latest 12 of 27 stored PSA 10 comps.