Ungraded vs Grade 8.0 Sub-Mariner #10 (1969): price difference

Sub-Mariner #10 (1969) value — Ungraded $18 vs Grade 8.0 $50. Grade 8.0 sells for 2.78× Ungraded (+178%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$18—eBay ↗
Grade 6.0$261.44× · +44%eBay ↗
Grade 8.0$502.78× · +178%eBay ↗

Medians of real sold listings per grade, updated September 2026 — how we compute values.

Ungraded vs Grade 8.0
$18→$50

Grade 8.0 sells for 2.78× (+178%) the Ungraded price — a $32 difference per comic.

Grade 6.0 vs Grade 8.0
$26→$50

Grade 8.0 sells for 1.92× (+92%) the Grade 6.0 price — a $24 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Sub-Mariner #10 (1969), the jump from Ungraded to Grade 8.0 is worth $32 (2.78×) — 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 →
See current eBay listingsSee sold Sub-Mariner #10 (1969) listings ↗Full Sub-Mariner #10 (1969) price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).