Ungraded vs PSA 10 Mewtwo GX #78: price difference
Mewtwo GX #78 value — Ungraded $686 vs PSA 10 $8831. PSA 10 sells for 12.87× Ungraded (+1187%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 12.87× (+1187%) the Ungraded price — a $8,145 difference per card.
PSA 10 sells for 5.4× (+440%) the Grade 9 price — a $7,195 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo GX #78, the jump from Ungraded to PSA 10 is worth $8,145 (12.87×) — 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).