Groudon Ex #12/ADV-P #12 — Promo

PriceCharting market prices as of 2026-10-20:

Market context: ungraded price -31.2% over 30 days. -31.4% over 90 days. PSA 10 premium: 27.5× ungraded.

More from Promo

• Greninja #339/S-P #339
• Grotle #52/DP-P #52
• Groudon #27/ADV-P #27
• Groudon Ex #2/ADV-P #2
• Groudon EX #153/XY-P #153
• Groudon #72/L-P #72

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-groudon-ex-adv-p-12