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: $90, PSA 9: $27.85, PSA 8: $19.96, Raw: $14.89. The most recent PSA 10 sale was $90 on August 12, 2026, with 34 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 $14.89 on August 18, 2026. CardIndex has tracked 296 total sales across all grades for this card. There are currently 110 active listings for Cornerstone Mask Ogerpon ex.
