![Mewtwo [Prerelease] #51](/api/images/junkpal-products/cards/mewtwo-prerelease-51-pokemon-evolutions-card/img0/cover.webp)
Ungraded vs PSA 10 Mewtwo [Prerelease] #51: price difference
Mewtwo [Prerelease] #51 value — Ungraded $145 vs PSA 10 $2142. PSA 10 sells for 14.77× Ungraded (+1377%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 14.77× (+1377%) the Ungraded price — a $1,997 difference per card.
PSA 10 sells for 10.2× (+920%) the Grade 9 price — a $1,932 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo [Prerelease] #51, the jump from Ungraded to PSA 10 is worth $1,997 (14.77×) — 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).