Ungraded vs Grade 8.0 Iron Man #28 (1970): price difference
Iron Man #28 (1970) value — Ungraded $18 vs Grade 8.0 $93. Grade 8.0 sells for 5.17× Ungraded (+417%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.17× (+417%) the Ungraded price — a $75 difference per comic.
Grade 6.0 sells for 2.28× (+128%) the Ungraded price — a $23 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Iron Man #28 (1970), the jump from Ungraded to Grade 8.0 is worth $75 (5.17×) — 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).