Ungraded vs Grade 8.0 Amazing Spider-Man [Whitman] #173 (1977): price difference

Amazing Spider-Man [Whitman] #173 (1977) value — Ungraded $10 vs Grade 8.0 $51. Grade 8.0 sells for 5.1× Ungraded (+410%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$10eBay ↗
Grade 6.0$303× · +200%eBay ↗
Grade 8.0$515.1× · +410%eBay ↗

Medians of real sold listings per grade, updated September 2026 how we compute values.

Ungraded vs Grade 8.0
$10$51

Grade 8.0 sells for 5.1× (+410%) the Ungraded price — a $41 difference per comic.

Ungraded vs Grade 6.0
$10$30

Grade 6.0 sells for (+200%) the Ungraded price — a $20 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Amazing Spider-Man [Whitman] #173 (1977), the jump from Ungraded to Grade 8.0 is worth $41 (5.1×) — 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 →
See current eBay listingsSee sold Amazing Spider-Man [Whitman] #173 (1977) listings ↗Full Amazing Spider-Man [Whitman] #173 (1977) price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).