Image © The Pokémon Company, shown for identification.
Cornerstone Mask Ogerpon ex
Twilight Masquerade · #215/167
Cornerstone Mask Ogerpon ex (215/167), the Special illustration rare from Twilight Masquerade, has an estimated ungraded market price of about $12, typically in the $10–$14 range.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
Last 30 days of clean eBay listings for Cornerstone Mask Ogerpon ex · as of Sep 3
The line tracks standing active listings (note the zoomed scale). Bars below split each day’s turnover around zero: new listings arriving above, listings leaving below, sold vs expired. Empty days had no capture. Demand pressure is estimated units sold per day as a share of active listings. Estimated eBay units, counts only, tracked daily by Riffle. The exact price history behind these is part of Riffle premium.
17 of 168 clean matches · lowest landed price first · live asking prices, not sold prices
- $9.29free ship
- $8.00+ $2.50 ship
- $11.99free ship
- $12.00free ship
- $12.00free ship
- $12.00free ship
- $12.00free ship
- $12.00free ship
- $12.00free ship
- $12.55free ship
- $28.99+ $4.99 ship
- $53.99+ $4.99 ship
- $90.72free ship
- $101.12+ $10.81 ship
- $93.88+ $21.67 ship
- $123.57+ $20.23 ship
- $179.95free ship
Clean matches only: lots, bundles, and likely wrong-item listings are excluded. Auction prices are the current bid. Riffle may earn a commission from eBay on qualifying purchases made through these links, at no cost to you.
About Cornerstone Mask Ogerpon ex
Cornerstone Mask Ogerpon ex is a Special illustration rare (215/167) from the Pokémon Twilight Masquerade set, released May 24, 2024. Ungraded copies currently trade at an estimated market price of $10–$14. The artwork is by Yano Keiji. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Other versions of Cornerstone Mask Ogerpon ex
Cornerstone Mask Ogerpon ex appears on 5 different cards across the sets Riffle tracks, at very different values. This page covers #215/167 from Twilight Masquerade; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Cornerstone Mask Ogerpon ex (215/167) worth?
Cornerstone Mask Ogerpon ex (215/167), the Special illustration rare from Twilight Masquerade, has an estimated ungraded market price of about $12, typically in the $10–$14 range. Note: 4 other cards named Cornerstone Mask Ogerpon ex exist across the sets Riffle tracks, at very different values; check the collector number.
Which Cornerstone Mask Ogerpon ex card is this, and how do I tell the versions apart?
This page covers Cornerstone Mask Ogerpon ex (215/167), the Special illustration rare (about $10–$14) from Twilight Masquerade.
The other versions: #160/131 from Prismatic Evolutions (Special illustration rare, about $12–$17); #199/167 from Twilight Masquerade (Ultra Rare, about $3–$4); #058/131 from Prismatic Evolutions (Double rare, about $0.90–$1); #112/167 from Twilight Masquerade (Double rare, about $0.80–$1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
Should I grade Cornerstone Mask Ogerpon ex (215/167)?
Ahead after fees: with a 51% PSA 10 gem rate and current graded prices, grading a near-mint Cornerstone Mask Ogerpon ex (215/167) is estimated to net about $10 more than selling it raw (est.).
Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.
Is Cornerstone Mask Ogerpon ex (215/167) rare?
Cornerstone Mask Ogerpon ex (215/167) is a Special illustration rare. PSA has graded 1,002 copies to date, so graded supply is measurable and growing.
How rare is a PSA 10 Cornerstone Mask Ogerpon ex (215/167)?
Of the 1,002 copies PSA has graded, 51% earned a PSA 10. That's a fairly typical gem rate for a modern card. Grade-by-grade population and pop-over-time appear with Riffle premium.
More from Twilight Masquerade
Should I grade Cornerstone Mask Ogerpon ex?
Ahead after fees: grading nets ≈ +$10 vs selling raw (est.)
Expected grading return from this card’s own PSA grade mix (51% gem rate; grades under 8 valued at the PSA 8 price) and current graded market prices, minus a ~$25/card bulk-rate grading fee, compared against selling ungraded at market price. Standard grading service costs more; centering risk, turnaround time, and shipping aren’t included. The exact PSA 8/9/10 prices behind this are part of Riffle premium. Not financial advice.
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. Grade-by-grade population and pop-over-time appear with Riffle premium.
- $10–$14 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±17% around its midpoint: a moderate spread.
- 168 clean listings back today’s basis, with storefront and lot noise excluded.
- Sampled daily since July 10, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →