Ungraded vs Grade 8.0 ROM #31 (1982): price difference
ROM #31 (1982) value — Ungraded $10 vs Grade 8.0 $41. Grade 8.0 sells for 4.1× Ungraded (+310%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 8.0 sells for 4.1× (+310%) the Ungraded price — a $31 difference per comic.
Grade 6.0 sells for 3.2× (+220%) the Ungraded price — a $22 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On ROM #31 (1982), the jump from Ungraded to Grade 8.0 is worth $31 (4.1×) — 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).