Ungraded vs Grade 8.0 Superman #139 (1960): price difference
Superman #139 (1960) value — Ungraded $20 vs Grade 8.0 $268. Grade 8.0 sells for 13.4× Ungraded (+1240%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 13.4× (+1240%) the Ungraded price — a $248 difference per comic.
Grade 6.0 sells for 4.65× (+365%) the Ungraded price — a $73 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superman #139 (1960), the jump from Ungraded to Grade 8.0 is worth $248 (13.4×) — 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).