Cornerstone Mask Ogerpon ex from the Twilight Masquerade set (#215) is a Pokemon trading card released in 2024. It has a rarity of Special Illustration Rare. Current fair market values for Cornerstone Mask Ogerpon ex are PSA 10: $58.47, PSA 9: $18.10, PSA 8: $19.53, Raw: $14.68. The most recent PSA 10 sale was $59.99 on June 15, 2026, with 25 sales tracked in the last 30 days. The most recent PSA 9 sale was $27.85 on May 1, 2026. A raw (ungraded) copy last sold for $22.03 on June 22, 2026. CardIndex has tracked 176 total sales across all grades for this card. There are currently 139 active listings for Cornerstone Mask Ogerpon ex.
