Ungraded vs Grade 8.0 Marvel Tales #148 (1956): price difference
Marvel Tales #148 (1956) value — Ungraded $78 vs Grade 8.0 $1440. Grade 8.0 sells for 18.46× Ungraded (+1746%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 18.46× (+1746%) the Ungraded price — a $1,362 difference per comic.
Grade 8.0 sells for 5.71× (+471%) the Grade 6.0 price — a $1,188 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Marvel Tales #148 (1956), the jump from Ungraded to Grade 8.0 is worth $1,362 (18.46×) — 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).