Ungraded vs Grade 8.0 Detective Comics #274 (1959): price difference
Detective Comics #274 (1959) value — Ungraded $33 vs Grade 8.0 $267. Grade 8.0 sells for 8.09× Ungraded (+709%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 8.09× (+709%) the Ungraded price — a $234 difference per comic.
Grade 6.0 sells for 4.39× (+339%) the Ungraded price — a $112 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #274 (1959), the jump from Ungraded to Grade 8.0 is worth $234 (8.09×) — 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).