Ungraded vs Grade 8.0 Action Comics #290 (1962): price difference
Action Comics #290 (1962) value — Ungraded $17 vs Grade 8.0 $104. Grade 8.0 sells for 6.12× Ungraded (+512%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 6.12× (+512%) the Ungraded price — a $87 difference per comic.
Grade 6.0 sells for 4.41× (+341%) the Ungraded price — a $58 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Action Comics #290 (1962), the jump from Ungraded to Grade 8.0 is worth $87 (6.12×) — 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).