Ungraded vs Grade 8.0 Mad #21 (1955): price difference
Mad #21 (1955) value — Ungraded $58 vs Grade 8.0 $650. Grade 8.0 sells for 11.21× Ungraded (+1021%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 11.21× (+1021%) the Ungraded price — a $592 difference per comic.
Grade 6.0 sells for 6.16× (+516%) the Ungraded price — a $299 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Mad #21 (1955), the jump from Ungraded to Grade 8.0 is worth $592 (11.21×) — 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).