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PSA 10: PriceCharting; last PSA 10 sale May 7, 2026
GemDelta shows Koffing (Expedition #114) at $5.31 market price (TCGplayer market). Its Delta multiple is 31.8x.
A PSA 10 Koffing (Expedition #114) is currently shown at $100. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 34.5% gem rate for Koffing (Expedition #114), with 49 PSA 10 copies out of 142 total PSA grades and a 31.8x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| May 7, 2026 | $140.00 |
| Mar 8, 2026 | $100.00 |