Ungraded vs Grade 8.0 Detective Comics #291 (1961): price difference
Detective Comics #291 (1961) value — Ungraded $48 vs Grade 8.0 $260. Grade 8.0 sells for 5.42× Ungraded (+442%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 5.42× (+442%) the Ungraded price — a $212 difference per comic.
Grade 8.0 sells for 3.38× (+238%) the Grade 6.0 price — a $183 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #291 (1961), the jump from Ungraded to Grade 8.0 is worth $212 (5.42×) — 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).