Ungraded vs Grade 6.0 Popular Comics #51 (1940): price difference
Popular Comics #51 (1940) value — Ungraded $105 vs Grade 6.0 $79. Ungraded sells for 1.33× Grade 6.0 (+33%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 6.0
$79→$105
Ungraded sells for 1.33× (+33%) the Grade 6.0 price — a $26 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Popular Comics #51 (1940), the jump from Grade 6.0 to Ungraded is worth $26 (1.33×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).