Ungraded vs Grade 8.0 Superboy #28 (1953): price difference
Superboy #28 (1953) value — Ungraded $34 vs Grade 8.0 $522. Grade 8.0 sells for 15.35× Ungraded (+1435%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 15.35× (+1435%) the Ungraded price — a $488 difference per comic.
Grade 6.0 sells for 14.56× (+1356%) the Ungraded price — a $461 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #28 (1953), the jump from Ungraded to Grade 8.0 is worth $488 (15.35×) — 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).