Pokémon · Stormfront (2008)
Updated: 2026-10-15
Got Mamoswine 21/100? Snap a photo and CardFolio's AI estimates the PSA grade yours would get and what it's worth in its real condition (app in Spanish).
Get a free AI grade Price drop alert or get the appMamoswine 21/100 from Stormfront (2008) is worth $1.91 raw (ungraded), based on real sales. A PSA 10 copy sells for $83.84, about 44x more. PSA 9 is around $29.90. Check the version: the Reverse Holo sells for $5.54. It is the #21 most valuable of the 22 Stormfront cards we track.
Own this card? Upload a photo and CardFolio's AI estimates its PSA grade and real-condition value, and you can set a free price drop alert (app in Spanish).
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