![Machop [Green Back] #66](/api/images/junkpal-products/cards/machop-green-back-66-pokemon-japanese-topsun-card/img0/cover.webp)
Ungraded vs PSA 10 Machop [Green Back] #66: price difference
Machop [Green Back] #66 value — Ungraded $9 vs PSA 10 $500. PSA 10 sells for 55.56× Ungraded (+5456%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 55.56× (+5456%) the Ungraded price — a $491 difference per card.
PSA 10 sells for 13.16× (+1216%) the Grade 9 price — a $462 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Machop [Green Back] #66, the jump from Ungraded to PSA 10 is worth $491 (55.56×) — 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).