Ungraded vs Grade 8.0 Superman #183 (1966): price difference
Superman #183 (1966) value — Ungraded $13 vs Grade 8.0 $133. Grade 8.0 sells for 10.23× Ungraded (+923%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 10.23× (+923%) the Ungraded price — a $120 difference per comic.
Grade 6.0 sells for 5.46× (+446%) the Ungraded price — a $58 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superman #183 (1966), the jump from Ungraded to Grade 8.0 is worth $120 (10.23×) — 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).