Ungraded vs Grade 8.0 Superboy #56 (1957): price difference
Superboy #56 (1957) value — Ungraded $55 vs Grade 8.0 $1076. Grade 8.0 sells for 19.56× Ungraded (+1856%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 19.56× (+1856%) the Ungraded price — a $1,021 difference per comic.
Grade 8.0 sells for 5.49× (+449%) the Grade 6.0 price — a $880 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #56 (1957), the jump from Ungraded to Grade 8.0 is worth $1,021 (19.56×) — 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).