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PSA 10: Median of 3 sales, last 45 days · newest Oct 23, 2026 · checked Oct 27, 2026
PSA 9: Median of 2 PSA 9 sales in the last 90 days, latest 2026-09-14. Grade 9 guide (all graders): $15.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Team Rocket's Nidoking Ex (Promo #217) at $1.06 market price (TCGplayer market). Its Delta multiple is 94.3x.
A PSA 10 Team Rocket's Nidoking Ex (Promo #217) is currently shown at $99.99, the median of 3 PSA 10 sales in the last 45 days (newest Oct 23, 2026).
GemDelta records a 44.4% gem rate for Team Rocket's Nidoking Ex (Promo #217), with 91 PSA 10 copies out of 205 total PSA grades and a 94.3x Delta. That describes the grading profile; it is not financial advice.