Ungraded vs Grade 8.0 Adventure Comics #283 (1961): price difference
Adventure Comics #283 (1961) value — Ungraded $90 vs Grade 8.0 $1586. Grade 8.0 sells for 17.62× Ungraded (+1662%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 17.62× (+1662%) the Ungraded price — a $1,496 difference per comic.
Grade 6.0 sells for 5.39× (+439%) the Ungraded price — a $395 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #283 (1961), the jump from Ungraded to Grade 8.0 is worth $1,496 (17.62×) — 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).