Ungraded vs Grade 8.0 Action Comics #24 (1940): price difference
Action Comics #24 (1940) value — Ungraded $538 vs Grade 8.0 $9000. Grade 8.0 sells for 16.73× Ungraded (+1573%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 16.73× (+1573%) the Ungraded price — a $8,462 difference per comic.
Grade 6.0 sells for 5.48× (+448%) the Ungraded price — a $2,412 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Action Comics #24 (1940), the jump from Ungraded to Grade 8.0 is worth $8,462 (16.73×) — 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).