Ungraded vs Grade 8.0 Adventure Comics #40 (1939): price difference
Adventure Comics #40 (1939) value — Ungraded $225 vs Grade 8.0 $53812. Grade 8.0 sells for 239.16× Ungraded (+23816%). Prices updated August 2026.
→ Steady
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$225→$53812
Grade 8.0 sells for 239.16× (+23816%) the Ungraded price — a $53,587 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #40 (1939), the jump from Ungraded to Grade 8.0 is worth $53,587 (239.16×) — 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).