Ungraded vs Grade 8.0 Action Comics #155 (1951): price difference
Action Comics #155 (1951) value — Ungraded $180 vs Grade 8.0 $1069. Grade 8.0 sells for 5.94× Ungraded (+494%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 5.94× (+494%) the Ungraded price — a $889 difference per comic.
Grade 8.0 sells for 3.1× (+210%) the Grade 6.0 price — a $724 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Action Comics #155 (1951), the jump from Ungraded to Grade 8.0 is worth $889 (5.94×) — 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).