Ungraded vs Grade 8.0 Amazing Spider-Man #173 (1977): price difference
Amazing Spider-Man #173 (1977) value — Ungraded $11 vs Grade 8.0 $43. Grade 8.0 sells for 3.91× Ungraded (+291%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 3.91× (+291%) the Ungraded price — a $32 difference per comic.
Grade 6.0 sells for 2.09× (+109%) the Ungraded price — a $12 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Amazing Spider-Man #173 (1977), the jump from Ungraded to Grade 8.0 is worth $32 (3.91×) — 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).