Cornerstone Mask Ogerpon ex from the Twilight Masquerade set (#112) is a Pokemon trading card released in 2024. It has a rarity of Double Rare. Current fair market values for Cornerstone Mask Ogerpon ex are PSA 10: $30.15, PSA 9: $10.98, PSA 8: $4.50, Raw: $1.93. The most recent PSA 10 sale was $29 on January 26, 2026, with 24 sales tracked in the last 30 days. The most recent PSA 9 sale was $10.98 on April 4, 2025. A raw (ungraded) copy last sold for $1.65 on June 22, 2026. CardIndex has tracked 189 total sales across all grades for this card. There are currently 236 active listings for Cornerstone Mask Ogerpon ex.
