Ungraded vs Grade 8.0 Mad #143 (1971): price difference

Mad #143 (1971) value — Ungraded $6 vs Grade 8.0 $45. Grade 8.0 sells for 7.5× Ungraded (+650%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$6—eBay ↗
Grade 6.0$244× · +300%eBay ↗
Grade 8.0$457.5× · +650%eBay ↗

Medians of real sold listings per grade, updated September 2026 — how we compute values.

Ungraded vs Grade 8.0
$6→$45

Grade 8.0 sells for 7.5× (+650%) the Ungraded price — a $39 difference per comic.

Ungraded vs Grade 6.0
$6→$24

Grade 6.0 sells for 4× (+300%) the Ungraded price — a $18 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Mad #143 (1971), the jump from Ungraded to Grade 8.0 is worth $39 (7.5×) — 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 →
See current eBay listingsSee sold Mad #143 (1971) listings ↗Full Mad #143 (1971) price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).

Mad #143 (1971): Ungraded vs Grade 8.0 Price Difference