Cornerstone Mask Ogerpon ex #428
SetJapanese Start Deck 100 Battle Collection
Year2025
Ungraded
$4.27
2 sales · last Jun 23, 2026
Cornerstone Mask Ogerpon ex #428 price guide
Cornerstone Mask Ogerpon ex #428 is a collectible Pokémon card from the Japanese Start Deck 100 Battle Collection expansion (2025). Setlot tracks 2 recorded sales for this card across 1 grade tiers, 1 of them in the last 90 days. Ungraded copies currently trade around $4.27. The highest sale on record is $5.05 (Ungraded, Feb 16, 2026). 2 listings are live right now with asks from $4.79.
Price history
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 | Cornerstone Mask Ogerpon ex 428/742 MC Start Deck 100 Battle Collection Japan NM cardbank-japan | eBay | 1mo ago | $4.79↗ |
| Cornerstone Mask Ogerpon ex 428/742 MC Start Deck 100 Battle Collection Japanese animart_japan | eBay |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 1 | $3.49 | $3.49 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jun 23, 2026 | Ungraded | Cornerstone Mask Ogerpon ex 428/742 Starter Deck 100 Battle Pokemon Japanese NM↗ | eBay | $3.49 |
| Feb 16, 2026 | Ungraded | Cornerstone Mask Ogerpon EX Non Foil 428/742 MC Start Deck 100 Battle Pokemon JP Japanese 428/742↗ | eBay | $5.05 |
