Ungraded vs PSA 10 Mamoswine #9: price difference
Mamoswine #9 value — Ungraded $8 vs PSA 10 $3000. PSA 10 sells for 375× Ungraded (+37400%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 375× (+37400%) the Ungraded price — a $2,992 difference per card.
PSA 10 sells for 65.22× (+6422%) the Grade 9 price — a $2,954 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mamoswine #9, the jump from Ungraded to PSA 10 is worth $2,992 (375×) — 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 →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).