Cornerstone Mask Ogerpon ex from the Prismatic Evolutions set (#160) is a Pokemon trading card released in 2025. It has a rarity of Special Illustration Rare. Current fair market values for Cornerstone Mask Ogerpon ex are PSA 10: $91.08, PSA 9: $20.76, PSA 8: $14.85, Raw: $16.16. The most recent PSA 10 sale was $86 on June 17, 2026, with 28 sales tracked in the last 30 days. The most recent PSA 9 sale was $24.99 on May 28, 2026. A raw (ungraded) copy last sold for $15 on June 23, 2026. CardIndex has tracked 298 total sales across all grades for this card. There are currently 147 active listings for Cornerstone Mask Ogerpon ex.
