Ungraded vs Grade 8.0 Superman #166 (1964): price difference

Superman #166 (1964) value — Ungraded $20 vs Grade 8.0 $225. Grade 8.0 sells for 11.25× Ungraded (+1025%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$20—eBay ↗
Grade 6.0$1206× · +500%eBay ↗
Grade 8.0$22511.25× · +1025%eBay ↗

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

Ungraded vs Grade 8.0
$20→$225

Grade 8.0 sells for 11.25× (+1025%) the Ungraded price — a $205 difference per comic.

Ungraded vs Grade 6.0
$20→$120

Grade 6.0 sells for 6× (+500%) the Ungraded price — a $100 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Superman #166 (1964), the jump from Ungraded to Grade 8.0 is worth $205 (11.25×) — 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 Superman #166 (1964) listings ↗Full Superman #166 (1964) 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).