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Japanese Clash at the Summit

Mamoswine #21 value & price

Card 21
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Reviewed by · Updated 14 Aug 2026
Ungraded market value
$3.94 1% · 1Y
PSA 9
$27
PSA 10 · Gem Mint
$82

Mamoswine #21 comes from the Japanese Clash at the Summit set, and it's the kind of card that quietly rewards patient collectors rather than chasing headlines. It's not a flashy chase card, but there's something satisfying about a set staple like this, especially once you start digging into the Mamoswine value and realize how few graded copies are actually out there. If you're trying to figure out the Mamoswine price right now, the short answer is that it sits comfortably as an affordable pickup with real upside at the top end.

Price history

Interactive
$0.00$23$46$69$922023202420252026$82PSA 10$29BGS 9.5$27Grade 9$3.94Ungraded

Raw value is $3.94, up 1% over the past year, with an all-time high of $7.20 in June 2022.

Raw
$3.94
1Y
▲ 1%
PSA 10
$82
PSA 9
$27
Population
2
Gem PSA 10
-
Upside
20.8×
All-time high
$7.20

Recent pulls of Mamoswine

Real pulls of this card across the tracked pack-opening sites, data no price guide has.

Pokémon booster packs

Chase Mamoswine yourself

Rip real, graded Pokémon packs live on the top pack-opening sites, the same ones PackSpy tracks. Our #1 pick right now is LastPack.

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Mamoswine price at every grade

Market value at each grade, with how many exist (population). 2 graded.

GradeValuePopulation
PSA 10 (Gem Mint)$82-
PSA 9$271
PSA 8--
PSA 7-1
PSA 6--
PSA 5--
PSA 4--
PSA 3--
PSA 2--
PSA 1--
Raw / Ungraded$3.94-

Prices & population from PriceCharting. Value shown is the PSA-grade market price; population is split by grading company (PSA / CGC).

Pokémon booster packs

Where to pull Mamoswine

Rip real, graded Pokémon packs live on the top pack-opening sites, the same ones PackSpy tracks. Our #1 pick right now is LastPack.

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The collector's take on Mamoswine

Is Mamoswine worth grading?

So is Mamoswine worth grading? Let's talk numbers honestly. A raw copy sits at $4, a Grade 9 jumps to $27, and a PSA 10 lands at $72, which works out to about 16.3 times the raw price. That's a meaningful multiplier on paper, but grading fees, shipping, and turnaround time all eat into that gap, and gem mint isn't guaranteed just because a card looks clean to your eye. With only 2 graded copies existing in total, hitting a PSA 10 here is genuinely rare, so if you've got a raw copy that looks sharp with clean edges and centering, it might be worth the gamble. Just go in knowing grading is a bet, not a sure thing.

How rare is Mamoswine?

Here's where Mamoswine gets interesting: there are only 2 graded copies of this card in existence right now. That's an extremely thin population, and it tells you that most collectors are either sitting on raw copies or haven't bothered sending theirs in yet. When a population is this small, every new submission can shift the landscape, and it's part of why the PSA 10 figure carries real weight even though the card itself flies under the radar.

Where can you pull Mamoswine?

PackSpy has tracked 17 recorded pulls of Mamoswine across courtyard and collector-crypt, so we know it does show up in the wild rather than existing only on the secondary market. It's turned up in packs like The Amazing Chase Encore, the Elite Pokémon Gacha Pack, and the Starter Pokémon Gacha Pack, with the biggest recorded pull value hitting $143. That's the kind of detail a price guide won't tell you, but it's exactly what we track: real pulls from real pack openings, so you know where your odds actually lie rather than guessing.

Questions people ask

How much is Mamoswine worth?+

A raw, ungraded Mamoswine #21 from Clash at the Summit is valued at $4. Prices climb from there depending on grade, with a Grade 9 at $27 and a PSA 10 at $72. So the answer really depends on the condition and whether it's been graded.

Is Mamoswine worth grading?+

It can be, since a PSA 10 sells for about 16.3 times the raw price. That said, there are only 2 graded copies in existence, which shows how tough gem mint really is to hit, so weigh the grading cost against that risk before sending one in.

How much is a PSA 10 Mamoswine worth?+

A PSA 10 Mamoswine #21 is valued at $72, a solid jump from the $4 raw price. With only 2 graded copies total, that top grade carries real scarcity behind the number.

Other Mamoswine cards & values

Every Mamoswine card we track, ranked by value.

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Mumbles, founder of PackSpy
Founder & Lead Reviewer · PackSpy

Mumbles built PackSpy so pack-opening data would not be a guessing game. We track real pulls and live card prices across the top pack sites and show what is actually happening, no hype, just the numbers. Every price and population figure here is pulled from live market data. More about Mumbles.

Pokémon booster packs

Open a pack that holds Mamoswine

Rip real, graded Pokémon packs live on the top pack-opening sites, the same ones PackSpy tracks. Our #1 pick right now is LastPack.

Affiliate links, we may earn a commission at no cost to you. Play responsibly. 18+.