Ungraded vs Grade 8.0 Superboy #178 (1971): price difference
Superboy #178 (1971) value — Ungraded $6 vs Grade 8.0 $121. Grade 8.0 sells for 20.17× Ungraded (+1917%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 20.17× (+1917%) the Ungraded price — a $115 difference per comic.
Grade 8.0 sells for 4.65× (+365%) the Grade 6.0 price — a $95 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #178 (1971), the jump from Ungraded to Grade 8.0 is worth $115 (20.17×) — 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).