Ungraded vs Grade 8.0 Amazing Heroes #189 (1991): price difference
Amazing Heroes #189 (1991) value — Ungraded $24 vs Grade 8.0 $57. Grade 8.0 sells for 2.38× Ungraded (+138%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 2.38× (+138%) the Ungraded price — a $33 difference per comic.
Grade 6.0 sells for 1.75× (+75%) the Ungraded price — a $18 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Amazing Heroes #189 (1991), the jump from Ungraded to Grade 8.0 is worth $33 (2.38×) — 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).