Ungraded vs Grade 8.0 Adventure Comics #355 (1967): price difference
Adventure Comics #355 (1967) value — Ungraded $8 vs Grade 8.0 $48. Grade 8.0 sells for 6× Ungraded (+500%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 6× (+500%) the Ungraded price — a $40 difference per comic.
Grade 6.0 sells for 5.13× (+413%) the Ungraded price — a $33 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #355 (1967), the jump from Ungraded to Grade 8.0 is worth $40 (6×) — 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).