Ungraded vs Grade 8.0 Detective Comics #348 (1966): price difference
Detective Comics #348 (1966) value — Ungraded $12 vs Grade 8.0 $150. Grade 8.0 sells for 12.5× Ungraded (+1150%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 12.5× (+1150%) the Ungraded price — a $138 difference per comic.
Grade 8.0 sells for 5× (+400%) the Grade 6.0 price — a $120 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 $138 (12.5×) — 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 →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).