Ungraded vs PSA 10 Team Rocket's Mewtwo ex #231: price difference
Team Rocket's Mewtwo ex #231 value — Ungraded $546 vs PSA 10 $1397. PSA 10 sells for 2.56× Ungraded (+156%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2.56× (+156%) the Ungraded price — a $851 difference per card.
PSA 10 sells for 2.54× (+154%) the Grade 9 price — a $847 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Team Rocket's Mewtwo ex #231, the jump from Ungraded to PSA 10 is worth $851 (2.56×) — 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).