Ungraded vs Grade 8.0 Adventure Comics #284 (1961): price difference
Adventure Comics #284 (1961) value — Ungraded $20 vs Grade 8.0 $233. Grade 8.0 sells for 11.65× Ungraded (+1065%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 11.65× (+1065%) the Ungraded price — a $213 difference per comic.
Grade 6.0 sells for 4.75× (+375%) the Ungraded price — a $75 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #284 (1961), the jump from Ungraded to Grade 8.0 is worth $213 (11.65×) — 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).