Ungraded vs Grade 8.0 Black Cat #27 (1951): price difference
Black Cat #27 (1951) value — Ungraded $141 vs Grade 8.0 $595. Grade 8.0 sells for 4.22× Ungraded (+322%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 4.22× (+322%) the Ungraded price — a $454 difference per comic.
Grade 6.0 sells for 2.77× (+177%) the Ungraded price — a $249 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Black Cat #27 (1951), the jump from Ungraded to Grade 8.0 is worth $454 (4.22×) — 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).