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PSA 10: PriceCharting; last PSA 10 sale Jun 5, 2026
GemDelta shows Koffing (Base Set #51) at $33.46 market price (TCGplayer market). Its Delta multiple is 33.3x.
A PSA 10 Koffing (Base Set #51) is currently shown at $750. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 23.0% gem rate for Koffing (Base Set #51), with 632 PSA 10 copies out of 2,749 total PSA grades and a 33.3x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| Jun 5, 2026 | $879.99 |
| May 16, 2026 | $453.00 |
| May 12, 2026 | $872.73 |
| Apr 26, 2026 | $750.00 |
| Apr 25, 2026 | $438.98 |
| Apr 16, 2026 | $357.78 |
| Apr 6, 2026 | $335.00 |
| Apr 5, 2026 | $371.00 |
| Mar 27, 2026 | $524.99 |
| Mar 16, 2026 | $455.02 |
| Mar 12, 2026 | $600.00 |
| Mar 10, 2026 | $524.99 |
Showing the latest 12 of 17 stored PSA 10 comps.