Mamoswine Japanese Clash at the Summit 1st Edition #21
Japanese Clash at the Summit 2010 · #21 · updated 2026-11-05 · Price chart

| Price | 30d | 1y | |
|---|---|---|---|
| PSA 10 most traded | $159 | ▲3% | — |
| Raw | $3.99 | — | — |
| Pokémon index | — | ▲27% | ▲126% |
| Japanese Clash at the Summit set index | — | ▲8% | ▲53% |

| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $159 | 0 | — |
| Raw | $3.99 | 5 | — |
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About Mamoswine Japanese Clash at the Summit 1st Edition #21
Mamoswine Japanese Clash at the Summit 1st Edition #21 is a 2010 Pokémon card from Japanese Clash at the Summit, number 21. Right now a PSA 10 sells for about $159; an ungraded copy sells for about $3.99, each the median of the newest three recorded sales inside 30 days.
We hold 21 recorded sales of this card going back to 2024-07, 5 of them in the last 30 days. By venue: eBay 81%, Fanatics 19%. The most traded grade over the last 90 days is PSA 10.
PSA has graded 64 copies at PSA 10. Population as of 2026-10-25, from PSA's cert records.
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Chart it: Mamoswine Japanese Clash at the Summit 1st Edition #21 price chart by grade, against the Japanese Clash at the Summit index or the card price charts and screener for any card, set, Pokémon or grade.
Mamoswine Japanese Clash at the Summit 1st Edition #21 questions
How much is a Mamoswine Japanese Clash at the Summit 1st Edition #21 worth?
About $159 in PSA 10, the most traded grade and an ungraded copy about $3.99. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 Mamoswine Japanese Clash at the Summit 1st Edition #21?
About $159. PSA has graded 64 copies at 10.
How much is an ungraded Mamoswine Japanese Clash at the Summit 1st Edition #21 worth?
Raw copies sell for about $3.99, 5 sales in the last 30 days. Condition drives raw prices more than any grade does.
Where can I buy a Mamoswine Japanese Clash at the Summit 1st Edition #21?
The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.
What is the PSA population of Mamoswine Japanese Clash at the Summit 1st Edition #21?
PSA 10: 64. As of 2026-10-25.