Ungraded vs Grade 8.0 Superboy #228 (1977): price difference
Superboy #228 (1977) value — Ungraded $7 vs Grade 8.0 $40. Grade 8.0 sells for 5.71× Ungraded (+471%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 5.71× (+471%) the Ungraded price — a $33 difference per comic.
Grade 6.0 sells for 3.29× (+229%) the Ungraded price — a $16 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Superboy #228 (1977), the jump from Ungraded to Grade 8.0 is worth $33 (5.71×) — 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).