Ungraded vs Grade 8.0 Detective Comics #277 (1960): price difference
Detective Comics #277 (1960) value — Ungraded $34 vs Grade 8.0 $272. 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.
Grade 8.0 sells for 8× (+700%) the Ungraded price — a $238 difference per comic.
Grade 8.0 sells for 3.28× (+228%) the Grade 6.0 price — a $189 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #277 (1960), the jump from Ungraded to Grade 8.0 is worth $238 (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).