Ungraded vs Grade 8.0 Superboy #39 (1955): price difference
Superboy #39 (1955) value — Ungraded $30 vs Grade 8.0 $360. Grade 8.0 sells for 12× Ungraded (+1100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 12× (+1100%) the Ungraded price — a $330 difference per comic.
Grade 6.0 sells for 7.17× (+617%) the Ungraded price — a $185 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #39 (1955), the jump from Ungraded to Grade 8.0 is worth $330 (12×) — 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).