Ungraded vs Grade 6.0 Black Cat #13 (1948): price difference
Black Cat #13 (1948) value — Ungraded $150 vs Grade 6.0 $311. Grade 6.0 sells for 2.07× Ungraded (+107%). Prices updated August 2026.
↗ Rising · +17%
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$150→$311
Grade 6.0 sells for 2.07× (+107%) the Ungraded price — a $161 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Black Cat #13 (1948), the jump from Ungraded to Grade 6.0 is worth $161 (2.07×) — 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).