Ungraded vs Grade 8.0 Sub-Mariner #42 (1971): price difference
Sub-Mariner #42 (1971) value — Ungraded $9 vs Grade 8.0 $60. Grade 8.0 sells for 6.67× Ungraded (+567%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 6.67× (+567%) the Ungraded price — a $51 difference per comic.
Grade 6.0 sells for 3.33× (+233%) the Ungraded price — a $21 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Sub-Mariner #42 (1971), the jump from Ungraded to Grade 8.0 is worth $51 (6.67×) — 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).