Ungraded vs Grade 8.0 Detective Comics #275 (1960): price difference
Detective Comics #275 (1960) value — Ungraded $63 vs Grade 8.0 $698. Grade 8.0 sells for 11.08× Ungraded (+1008%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 11.08× (+1008%) the Ungraded price — a $635 difference per comic.
Grade 6.0 sells for 4.63× (+363%) the Ungraded price — a $229 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #275 (1960), the jump from Ungraded to Grade 8.0 is worth $635 (11.08×) — 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).