Ungraded vs Grade 8.0 Amazing Spider-Man #100 (1971): price difference
Amazing Spider-Man #100 (1971) value — Ungraded $116 vs Grade 8.0 $339. Grade 8.0 sells for 2.92× Ungraded (+192%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 2.92× (+192%) the Ungraded price — a $223 difference per comic.
Grade 6.0 sells for 1.77× (+77%) the Ungraded price — a $89 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Amazing Spider-Man #100 (1971), the jump from Ungraded to Grade 8.0 is worth $223 (2.92×) — 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).