Ungraded vs Grade 8.0 Detective Comics #348 (1966): price difference

Detective Comics #348 (1966) value — Ungraded $17 vs Grade 8.0 $94. Grade 8.0 sells for 5.53× Ungraded (+453%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$17—eBay ↗
Grade 6.0$301.76× · +76%eBay ↗
Grade 8.0$945.53× · +453%eBay ↗

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

Ungraded vs Grade 8.0
$17→$94

Grade 8.0 sells for 5.53× (+453%) the Ungraded price — a $77 difference per comic.

Grade 6.0 vs Grade 8.0
$30→$94

Grade 8.0 sells for 3.13× (+213%) the Grade 6.0 price — a $64 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Detective Comics #348 (1966), the jump from Ungraded to Grade 8.0 is worth $77 (5.53×) — 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 #348 (1966) listings ↗Full Detective Comics #348 (1966) 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).