Ungraded vs Grade 6.0 Marvel Tales #142 (1956): price difference
Marvel Tales #142 (1956) value — Ungraded $54 vs Grade 6.0 $188. Grade 6.0 sells for 3.48× Ungraded (+248%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$54→$188
Grade 6.0 sells for 3.48× (+248%) the Ungraded price — a $134 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Marvel Tales #142 (1956), the jump from Ungraded to Grade 6.0 is worth $134 (3.48×) — 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).