Ungraded vs Grade 8.0 Superman #233 (1971): price difference
Superman #233 (1971) value — Ungraded $81 vs Grade 8.0 $425. Grade 8.0 sells for 5.25× Ungraded (+425%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.25× (+425%) the Ungraded price — a $344 difference per comic.
Grade 6.0 sells for 2.41× (+141%) the Ungraded price — a $114 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superman #233 (1971), the jump from Ungraded to Grade 8.0 is worth $344 (5.25×) — 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).