Ungraded vs Grade 6.0 Black Cat #29 (1951): price difference
Black Cat #29 (1951) value — Ungraded $121 vs Grade 6.0 $1000. Grade 6.0 sells for 8.26× Ungraded (+726%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 6.0
$121→$1000
Grade 6.0 sells for 8.26× (+726%) the Ungraded price — a $879 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Black Cat #29 (1951), the jump from Ungraded to Grade 6.0 is worth $879 (8.26×) — 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).