Ungraded vs Grade 6.0 Detective Comics #188 (1952): price difference
Detective Comics #188 (1952) value — Ungraded $141 vs Grade 6.0 $418. Grade 6.0 sells for 2.96× Ungraded (+196%). Prices updated August 2026.
↘ Falling · -14%
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$141→$418
Grade 6.0 sells for 2.96× (+196%) the Ungraded price — a $277 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #188 (1952), the jump from Ungraded to Grade 6.0 is worth $277 (2.96×) — 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).