Ungraded vs Grade 8.0 Superboy #151 (1968): price difference
Superboy #151 (1968) value — Ungraded $5 vs Grade 8.0 $99. Grade 8.0 sells for 19.8× Ungraded (+1880%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 19.8× (+1880%) the Ungraded price — a $94 difference per comic.
Grade 6.0 sells for 6× (+500%) the Ungraded price — a $25 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #151 (1968), the jump from Ungraded to Grade 8.0 is worth $94 (19.8×) — 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).