Ungraded vs Grade 8.0 Heavy Metal #28 (1979): price difference
Heavy Metal #28 (1979) value — Ungraded $14 vs Grade 8.0 $27. Grade 8.0 sells for 1.93× Ungraded (+93%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$14→$27
Grade 8.0 sells for 1.93× (+93%) the Ungraded price — a $13 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Heavy Metal #28 (1979), the jump from Ungraded to Grade 8.0 is worth $13 (1.93×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).