Ungraded vs Grade 8.0 Sub-Mariner #1 (1968): price difference
Sub-Mariner #1 (1968) value — Ungraded $110 vs Grade 8.0 $387. Grade 8.0 sells for 3.52× Ungraded (+252%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 3.52× (+252%) the Ungraded price — a $277 difference per comic.
Grade 6.0 sells for 2.16× (+116%) the Ungraded price — a $128 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Sub-Mariner #1 (1968), the jump from Ungraded to Grade 8.0 is worth $277 (3.52×) — 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).