Ungraded vs Grade 8.0 The X-Men #20 (1966): price difference
The X-Men #20 (1966) value — Ungraded $71 vs Grade 8.0 $252. Grade 8.0 sells for 3.55× Ungraded (+255%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 3.55× (+255%) the Ungraded price — a $181 difference per comic.
Grade 8.0 sells for 2.1× (+110%) the Grade 6.0 price — a $132 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On The X-Men #20 (1966), the jump from Ungraded to Grade 8.0 is worth $181 (3.55×) — 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).