Every Cornerstone Mask Ogerpon card we price, most valuable first. Prices are what copies actually sold for, updated daily.
The same Pokemon is also printed as Teal Mask Ogerpon, Hearthflame Mask Ogerpon and Wellspring Mask Ogerpon, priced separately because the game treats them as different cards.
What a Cornerstone Mask Ogerpon card is worth
The most valuable Cornerstone Mask Ogerpon on this list is Cornerstone Mask Ogerpon ex from Prismatic Evolutions at $13.72£10.33€12.08, and the 7 priced copies across 4 sets are worth $36£27€31 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Cornerstone Mask Ogerpon is printed in Japanese as well: 8 cards across 4 sets, the most valuable of them Cornerstone Mask Ogerpon ex from Transformation Mask at $11.96£9€10.53. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Cornerstone Mask Ogerpon sold for $90£67.74€79.26. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Special Illustration Rare.
If you are trying to identify which Cornerstone Mask Ogerpon you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: Prismatic Evolutions, Twilight Masquerade, Prize Pack Series Cards.