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: $64.69, PSA 9: $15.50, PSA 8: $19.99, Raw: $8.69. The most recent PSA 10 sale was $64.69 on August 6, 2026, with 37 sales tracked in the last 30 days. The most recent PSA 9 sale was $15.50 on August 9, 2026. A raw (ungraded) copy last sold for $8.69 on August 21, 2026. CardIndex has tracked 402 total sales across all grades for this card. There are currently 145 active listings for Cornerstone Mask Ogerpon ex.
