Mamoswine [Reverse Holo] #21

Ungraded vs PSA 10 Mamoswine [Reverse Holo] #21: price difference

Mamoswine [Reverse Holo] #21 value — Ungraded $6 vs PSA 10 $130. PSA 10 sells for 21.67× Ungraded (+2067%). Prices updated July 2026.

→ Steady
GradeSold medianvs Ungraded
Ungraded$6—eBay ↗
Grade 9$101.67× · +67%eBay ↗
PSA 10$13021.67× · +2067%eBay ↗

Medians of real sold listings per grade, updated July 2026 — how we compute values.

Ungraded vs PSA 10
$6→$130

PSA 10 sells for 21.67× (+2067%) the Ungraded price — a $124 difference per card.

Grade 9 vs PSA 10
$10→$130

PSA 10 sells for 13× (+1200%) the Grade 9 price — a $120 difference per card.

Should you get this card graded?

Grading runs about $30 per card all-in. On Mamoswine [Reverse Holo] #21, the jump from Ungraded to PSA 10 is worth $124 (21.67×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.

Run the grading break-even math →
See current eBay listingsSee sold Mamoswine [Reverse Holo] #21 listings ↗Full Mamoswine [Reverse Holo] #21 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).