Ungraded vs Grade 8.0 Heavy Metal #10 (1978): price difference
Heavy Metal #10 (1978) value — Ungraded $17 vs Grade 8.0 $77. Grade 8.0 sells for 4.53× Ungraded (+353%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4.53× (+353%) the Ungraded price — a $60 difference per comic.
Grade 6.0 sells for 2.71× (+171%) the Ungraded price — a $29 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Heavy Metal #10 (1978), the jump from Ungraded to Grade 8.0 is worth $60 (4.53×) — 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).