Ungraded vs Grade 8.0 Detective Comics #229 (1956): price difference

Detective Comics #229 (1956) value — Ungraded $159 vs Grade 8.0 $645. Grade 8.0 sells for 4.06× Ungraded (+306%). Prices updated September 2026.

↗ Rising · +8%
GradeSold medianvs Ungraded
Ungraded$159—eBay ↗
Grade 6.0$3822.4× · +140%eBay ↗
Grade 8.0$6454.06× · +306%eBay ↗

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

Ungraded vs Grade 8.0
$159→$645

Grade 8.0 sells for 4.06× (+306%) the Ungraded price — a $486 difference per comic.

Ungraded vs Grade 6.0
$159→$382

Grade 6.0 sells for 2.4× (+140%) the Ungraded price — a $223 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Detective Comics #229 (1956), the jump from Ungraded to Grade 8.0 is worth $486 (4.06×) — 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 Detective Comics #229 (1956) listings ↗Full Detective Comics #229 (1956) 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).