Ungraded vs Grade 8.0 Amazing Heroes #131 (1987): price difference
Amazing Heroes #131 (1987) value — Ungraded $74 vs Grade 8.0 $159. Grade 8.0 sells for 2.15× Ungraded (+115%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 2.15× (+115%) the Ungraded price — a $85 difference per comic.
Grade 6.0 sells for 1.78× (+78%) the Ungraded price — a $58 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Amazing Heroes #131 (1987), the jump from Ungraded to Grade 8.0 is worth $85 (2.15×) — 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).