Ungraded vs PSA 10 Mewtwo EX #158: price difference
Mewtwo EX #158 value — Ungraded $59 vs PSA 10 $1873. PSA 10 sells for 31.75× Ungraded (+3075%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 31.75× (+3075%) the Ungraded price — a $1,814 difference per card.
PSA 10 sells for 7.61× (+661%) the Grade 9 price — a $1,627 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo EX #158, the jump from Ungraded to PSA 10 is worth $1,814 (31.75×) — 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).