Ungraded vs Grade 8.0 Avengers #66 (1969): price difference

Avengers #66 (1969) value — Ungraded $20 vs Grade 8.0 $115. Grade 8.0 sells for 5.75× Ungraded (+475%). Prices updated August 2026.

GradeSold medianvs Ungraded
Ungraded$20eBay ↗
Grade 6.0$924.6× · +360%eBay ↗
Grade 8.0$1155.75× · +475%eBay ↗

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

Ungraded vs Grade 8.0
$20$115

Grade 8.0 sells for 5.75× (+475%) the Ungraded price — a $95 difference per comic.

Ungraded vs Grade 6.0
$20$92

Grade 6.0 sells for 4.6× (+360%) the Ungraded price — a $72 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Avengers #66 (1969), the jump from Ungraded to Grade 8.0 is worth $95 (5.75×) — 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 Avengers #66 (1969) listings ↗Full Avengers #66 (1969) price guide →

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Avengers #66 (1969): Ungraded vs Grade 8.0 Price Difference