Ungraded vs Grade 8.0 Superboy #42 (1955): price difference
Superboy #42 (1955) value — Ungraded $53 vs Grade 8.0 $408. Grade 8.0 sells for 7.7× Ungraded (+670%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 7.7× (+670%) the Ungraded price — a $355 difference per comic.
Grade 6.0 sells for 5.51× (+451%) the Ungraded price — a $239 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #42 (1955), the jump from Ungraded to Grade 8.0 is worth $355 (7.7×) — 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).