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PSA 10: PriceCharting; last PSA 10 sale Apr 28, 2026
GemDelta shows Underground Expedition (Skyridge #140) at $24.53 market price (TCGplayer market). Its Delta multiple is 48.7x.
A PSA 10 Underground Expedition (Skyridge #140) is currently shown at $421. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 46.7% gem rate for Underground Expedition (Skyridge #140), with 35 PSA 10 copies out of 75 total PSA grades and a 48.7x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| Apr 28, 2026 | $700.00 |
| Apr 26, 2026 | $141.12 |