Ungraded vs Grade 8.0 Detective Comics #124 (1947): price difference

Detective Comics #124 (1947) value — Ungraded $421 vs Grade 8.0 $1260. Grade 8.0 sells for 2.99× Ungraded (+199%). Prices updated September 2026.

→ Steady
GradeSold medianvs Ungraded
Ungraded$421—eBay ↗
Grade 6.0$10502.49× · +149%eBay ↗
Grade 8.0$12602.99× · +199%eBay ↗

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

Ungraded vs Grade 8.0
$421→$1260

Grade 8.0 sells for 2.99× (+199%) the Ungraded price — a $839 difference per comic.

Ungraded vs Grade 6.0
$421→$1050

Grade 6.0 sells for 2.49× (+149%) the Ungraded price — a $629 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Detective Comics #124 (1947), the jump from Ungraded to Grade 8.0 is worth $839 (2.99×) — 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 #124 (1947) listings ↗Full Detective Comics #124 (1947) 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).