Ungraded vs Grade 8.0 Adventure Comics #353 (1967): price difference
Adventure Comics #353 (1967) value — Ungraded $5 vs Grade 8.0 $140. Grade 8.0 sells for 28× Ungraded (+2700%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 28× (+2700%) the Ungraded price — a $135 difference per comic.
Grade 8.0 sells for 5.6× (+460%) the Grade 6.0 price — a $115 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #353 (1967), the jump from Ungraded to Grade 8.0 is worth $135 (28×) — 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).