PSA 10: PriceCharting; last PSA 10 sale Mar 20, 2026
GemDelta shows Melmetal GX (Promo #SM178) at $11.65 market price (TCGplayer market). Its Delta multiple is 24.4x.
A PSA 10 Melmetal GX (Promo #SM178) is currently shown at $89.47. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
| Date | Sale |
|---|---|
| Mar 20, 2026 | $102.50 |