Ungraded vs Grade 8.0 Mad #18 (1954): price difference
Mad #18 (1954) value — Ungraded $52 vs Grade 8.0 $933. Grade 8.0 sells for 17.94× Ungraded (+1694%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 17.94× (+1694%) the Ungraded price — a $881 difference per comic.
Grade 6.0 sells for 5.27× (+427%) the Ungraded price — a $222 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Mad #18 (1954), the jump from Ungraded to Grade 8.0 is worth $881 (17.94×) — 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).