Ungraded vs Grade 8.0 Detective Comics #148 (1949): price difference
Detective Comics #148 (1949) value — Ungraded $180 vs Grade 8.0 $932. Grade 8.0 sells for 5.18× Ungraded (+418%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.18× (+418%) the Ungraded price — a $752 difference per comic.
Grade 6.0 sells for 4.32× (+332%) the Ungraded price — a $597 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #148 (1949), the jump from Ungraded to Grade 8.0 is worth $752 (5.18×) — 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).