Ungraded vs Grade 8.0 Superman #138 (1960): price difference
Superman #138 (1960) value — Ungraded $24 vs Grade 8.0 $373. Grade 8.0 sells for 15.54× Ungraded (+1454%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Grade 8.0 sells for 15.54× (+1454%) the Ungraded price — a $349 difference per comic.
Grade 6.0 sells for 6.88× (+588%) the Ungraded price — a $141 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superman #138 (1960), the jump from Ungraded to Grade 8.0 is worth $349 (15.54×) — 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).