Ungraded vs Grade 6.0 Adventure Comics #139 (1949): price difference
Adventure Comics #139 (1949) value — Ungraded $80 vs Grade 6.0 $250. Grade 6.0 sells for 3.13× Ungraded (+213%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$80→$250
Grade 6.0 sells for 3.13× (+213%) the Ungraded price — a $170 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Adventure Comics #139 (1949), the jump from Ungraded to Grade 6.0 is worth $170 (3.13×) — 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).