![Mewtwo [Green Back] #150](/api/images/junkpal-products/cards/mewtwo-green-back-150-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Mewtwo [Green Back] #150: price difference
Mewtwo [Green Back] #150 value — Ungraded $35 vs PSA 10 $976. PSA 10 sells for 27.89× Ungraded (+2689%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 27.89× (+2689%) the Ungraded price — a $941 difference per card.
Grade 9 sells for 8.06× (+706%) the Ungraded price — a $247 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo [Green Back] #150, the jump from Ungraded to PSA 10 is worth $941 (27.89×) — 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).