![Mewtwo [Reverse Holo] #20](/api/images/junkpal-products/cards/mewtwo-reverse-holo-20-pokemon-expedition-card/img0/cover.webp)
Ungraded vs PSA 10 Mewtwo [Reverse Holo] #20: price difference
Mewtwo [Reverse Holo] #20 value — Ungraded $171 vs PSA 10 $1477. PSA 10 sells for 8.64× Ungraded (+764%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 8.64× (+764%) the Ungraded price — a $1,306 difference per card.
Grade 9 sells for 5.82× (+482%) the Ungraded price — a $825 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo [Reverse Holo] #20, the jump from Ungraded to PSA 10 is worth $1,306 (8.64×) — 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).