![Mamoswine [1st Edition] #21 from Pokemon Japanese Clash at the Summit](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Clash_at_the_Summit/080_Mamoswine_21.jpg)
Mamoswine [1st Edition] #21 PSA 10: price & population
PSA 10
$144.50
Raw
$5.98
PSA 10 pop
64
Gem rate
62.7%
A PSA 10 Mamoswine [1st Edition] #21 from Japanese Clash at the Summit sells for $144.50 — a 2,316% premium over the $5.98 raw price. PSA has graded this card 102 times; 64 came back a 10 (62.7% gem rate), and 34 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $35.00. The jump from 9 to 10 is worth $109.50 — that spread, times your real odds of the 10, is what decides whether grading pays.
Prices from real completed sales, updated daily. Population data from PSA's public population report.
