Ungraded vs Grade 8.0 Aquaman #31 (1967): price difference
Aquaman #31 (1967) value — Ungraded $13 vs Grade 8.0 $72. Grade 8.0 sells for 5.54× Ungraded (+454%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.54× (+454%) the Ungraded price — a $59 difference per comic.
Grade 6.0 sells for 4.08× (+308%) the Ungraded price — a $40 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Aquaman #31 (1967), the jump from Ungraded to Grade 8.0 is worth $59 (5.54×) — 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).