Ungraded vs Grade 8.0 Detective Comics [Newsstand] #577 (1987): price difference
Detective Comics [Newsstand] #577 (1987) value — Ungraded $14 vs Grade 8.0 $42. Grade 8.0 sells for 3× Ungraded (+200%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 3× (+200%) the Ungraded price — a $28 difference per comic.
Grade 6.0 sells for 2× (+100%) the Ungraded price — a $14 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics [Newsstand] #577 (1987), the jump from Ungraded to Grade 8.0 is worth $28 (3×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).