Ungraded vs Grade 8.0 Captain Marvel Adventures #12 (1942): price difference
Captain Marvel Adventures #12 (1942) value — Ungraded $147 vs Grade 8.0 $1125. Grade 8.0 sells for 7.65× Ungraded (+665%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 7.65× (+665%) the Ungraded price — a $978 difference per comic.
Grade 6.0 sells for 5.1× (+410%) the Ungraded price — a $603 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Captain Marvel Adventures #12 (1942), the jump from Ungraded to Grade 8.0 is worth $978 (7.65×) — 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).