Mewtwo #3 (Inverted Stamp Error) — Promo

PriceCharting market prices as of 2026-08-29:

Market context: ungraded price +0.0% over 30 days. +0.0% over 90 days.

More from Promo

• Mewtwo GX #SM196
• Mewtwo GX #199
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• Mewtwo LV.X #DP28
• Mewtwo & Mew GX #SM191
• Mewtwo #354/S-P #354

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mewtwo-inverted-stamp-error-3