Ungraded vs Grade 8.0 Detective Comics #166 (1950): price difference
Detective Comics #166 (1950) value — Ungraded $100 vs Grade 8.0 $800. Grade 8.0 sells for 8× Ungraded (+700%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$100→$800
Grade 8.0 sells for 8× (+700%) the Ungraded price — a $700 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #166 (1950), the jump from Ungraded to Grade 8.0 is worth $700 (8×) — 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).