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PSA 10: PriceCharting; last PSA 10 sale May 28, 2026
GemDelta shows Onix (Sandstorm #71) at $0.98 market price (TCGplayer market). Its Delta multiple is 181x.
A PSA 10 Onix (Sandstorm #71) is currently shown at $185. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 39.0% gem rate for Onix (Sandstorm #71), with 16 PSA 10 copies out of 41 total PSA grades and a 181x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| May 28, 2026 | $289.99 |
| Mar 19, 2026 | $185.00 |