Ungraded vs Grade 8.0 Adventure Comics #259 (1959): price difference
Adventure Comics #259 (1959) value — Ungraded $26 vs Grade 8.0 $265. Grade 8.0 sells for 10.19× Ungraded (+919%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 10.19× (+919%) the Ungraded price — a $239 difference per comic.
Grade 6.0 sells for 3.46× (+246%) the Ungraded price — a $64 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #259 (1959), the jump from Ungraded to Grade 8.0 is worth $239 (10.19×) — 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).