Ungraded vs Grade 8.0 Marvel Tales #156 (1957): price difference
Marvel Tales #156 (1957) value — Ungraded $51 vs Grade 8.0 $660. Grade 8.0 sells for 12.94× Ungraded (+1194%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 12.94× (+1194%) the Ungraded price — a $609 difference per comic.
Grade 6.0 sells for 4.41× (+341%) the Ungraded price — a $174 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Marvel Tales #156 (1957), the jump from Ungraded to Grade 8.0 is worth $609 (12.94×) — 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).