Ungraded vs Grade 8.0 Detective Comics #401 (1970): price difference
Detective Comics #401 (1970) value — Ungraded $20 vs Grade 8.0 $112. Grade 8.0 sells for 5.6× Ungraded (+460%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.6× (+460%) the Ungraded price — a $92 difference per comic.
Grade 6.0 sells for 4.05× (+305%) the Ungraded price — a $61 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #401 (1970), the jump from Ungraded to Grade 8.0 is worth $92 (5.6×) — 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).