Ungraded vs Grade 8.0 Mad #166 (1974): price difference
Mad #166 (1974) value — Ungraded $19 vs Grade 8.0 $102. Grade 8.0 sells for 5.37× Ungraded (+437%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 5.37× (+437%) the Ungraded price — a $83 difference per comic.
Grade 6.0 sells for 3.05× (+205%) the Ungraded price — a $39 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Mad #166 (1974), the jump from Ungraded to Grade 8.0 is worth $83 (5.37×) — 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).