Ungraded vs Grade 8.0 Action Comics #30 (1940): price difference
Action Comics #30 (1940) value — Ungraded $507 vs Grade 8.0 $2875. Grade 8.0 sells for 5.67× Ungraded (+467%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 5.67× (+467%) the Ungraded price — a $2,368 difference per comic.
Grade 6.0 sells for 4.73× (+373%) the Ungraded price — a $1,889 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Action Comics #30 (1940), the jump from Ungraded to Grade 8.0 is worth $2,368 (5.67×) — 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).