![Mewtwo [Prism] #150](/api/images/junkpal-products/cards/mewtwo-prism-150-pokemon-japanese-vending-card/img0/cover.webp)
Ungraded vs PSA 10 Mewtwo [Prism] #150: price difference
Mewtwo [Prism] #150 value — Ungraded $64 vs PSA 10 $4750. PSA 10 sells for 74.22× Ungraded (+7322%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs PSA 10
$64→$4750
PSA 10 sells for 74.22× (+7322%) the Ungraded price — a $4,686 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo [Prism] #150, the jump from Ungraded to PSA 10 is worth $4,686 (74.22×) — 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).