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PSA 10: PriceCharting · last PSA 10 sale $293.00 on Aug 17, 2026 · checked Oct 25, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-23. Grade 9 guide (all graders): $31.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Koga's Koffing (Gym Challenge #48) at $7.75 market price (TCGplayer market). Its Delta multiple is 23.3x.
A PSA 10 Koga's Koffing (Gym Challenge #48) is currently shown at $181. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 23.8% gem rate for Koga's Koffing (Gym Challenge #48), with 67 PSA 10 copies out of 282 total PSA grades and a 23.3x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Aug 17, 2026 | 2000 Pokemon Gym Challenge 1ST EDITION #48/132 KOGA'S KOFFING PSA 10 GEM MINT | $293.00 |