Ungraded vs Grade 8.0 Black Cat #55 (1955): price difference
Black Cat #55 (1955) value — Ungraded $34 vs Grade 8.0 $275. Grade 8.0 sells for 8.09× Ungraded (+709%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 8.0
$34→$275
Grade 8.0 sells for 8.09× (+709%) the Ungraded price — a $241 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Black Cat #55 (1955), the jump from Ungraded to Grade 8.0 is worth $241 (8.09×) — 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).