Ungraded vs Grade 6.0 Blackhawk #20 (1948): price difference
Blackhawk #20 (1948) value — Ungraded $125 vs Grade 6.0 $643. Grade 6.0 sells for 5.14× Ungraded (+414%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 6.0
$125→$643
Grade 6.0 sells for 5.14× (+414%) the Ungraded price — a $518 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Blackhawk #20 (1948), the jump from Ungraded to Grade 6.0 is worth $518 (5.14×) — 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).