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PSA 10: Median of 10 sales, last 45 days · newest Oct 19, 2026 · checked Oct 25, 2026
PSA 9: Median of 15 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $470.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Giovanni's Nidoking (Gym Challenge #7) at $160 market price (TCGplayer market). Its Delta multiple is 30.5x.
A PSA 10 Giovanni's Nidoking (Gym Challenge #7) is currently shown at $4,875, the median of 10 PSA 10 sales in the last 45 days (newest Oct 19, 2026).
Showing the latest 12 of 17 stored PSA 10 comps.