Ungraded vs Grade 6.0 Marvel Tales #139 (1955): price difference
Marvel Tales #139 (1955) value — Ungraded $78 vs Grade 6.0 $167. Grade 6.0 sells for 2.14× Ungraded (+114%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$78→$167
Grade 6.0 sells for 2.14× (+114%) the Ungraded price — a $89 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Marvel Tales #139 (1955), the jump from Ungraded to Grade 6.0 is worth $89 (2.14×) — 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).