Cornerstone Mask Ogerpon Ex #91
SetJapanese Terastal Festival
Year2024
Ungraded
$1.28−$0.03
36 sales · last Jul 7, 2026
CGC 9
$14.99
1 sales · last Feb 11, 2025
PSA 10
$17.50+$1.50
6 sales · last Apr 10, 2026
CGC 10
$9.99
1 sales · last Apr 10, 2026
Cornerstone Mask Ogerpon Ex #91 price guide
Cornerstone Mask Ogerpon Ex #91 is a collectible Pokémon card from the Japanese Terastal Festival expansion (2024). Setlot tracks 44 recorded sales for this card across 4 grade tiers, 12 of them in the last 90 days. PSA 10 copies have a 90-day median of $17.50. Ungraded copies currently trade around $1.28. The top grade commands 14× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $30.00 (PSA 10, Apr 10, 2026). 21 listings are live right now with asks from $0.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($1.28) — a rough read on whether grading pays off.
CGC 9
12×
$14.99
PSA 10
14×
$17.50
CGC 10
7.8×
$9.99
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 21 tracked | 2024 Pokemon Japanese Cornerstone Mask Ogerpon Ex Terastal Festival #91/187 eltoro808* | eBay | 1mo ago | $0.99↗ |
| Cornerstone Mask Ogerpon ex RR Holo 091/187 Terastal Festival ex SV8a Japanese impact-amusement | eBay |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 12 | $1.28 | $0.50 – $2.64 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 7, 2026 | Ungraded | Cornerstone Mask Ogerpon EX 091/187 Terastal Festival Pokemon Japanese Holo↗ | eBay | $1.16 |
| Jun 19, 2026 | Ungraded | Cornerstone Mask Ogerpon ex -SV8a: Terastal Fest 091/187 NM Japanese Pokémon TCG↗ | eBay | $2.19 |
| Jun 4, 2026 | Ungraded | Cornerstone Mask Ogerpon EX 091/187 Terastal Festival Pokemon Japanese NM↗ | eBay | $1.06 |
| Jun 2, 2026 | Ungraded | Cornerstone Mask Ogerpon ex 091/187 NM Terastal Festival ex Pokemon Japanese↗ |
