Ungraded vs Grade 8.0 Adventure Comics #142 (1949): price difference
Adventure Comics #142 (1949) value — Ungraded $179 vs Grade 8.0 $1086. Grade 8.0 sells for 6.07× Ungraded (+507%). Prices updated August 2026.
↗ Rising · +27%
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 8.0
$179→$1086
Grade 8.0 sells for 6.07× (+507%) the Ungraded price — a $907 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #142 (1949), the jump from Ungraded to Grade 8.0 is worth $907 (6.07×) — 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).