Ungraded vs Grade 8.0 Swamp Thing #14 (1975): price difference

Swamp Thing #14 (1975) value — Ungraded $10 vs Grade 8.0 $39. Grade 8.0 sells for 3.9× Ungraded (+290%). Prices updated August 2026.

GradeSold medianvs Ungraded
Ungraded$10eBay ↗
Grade 6.0$333.3× · +230%eBay ↗
Grade 8.0$393.9× · +290%eBay ↗

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

Ungraded vs Grade 8.0
$10$39

Grade 8.0 sells for 3.9× (+290%) the Ungraded price — a $29 difference per comic.

Ungraded vs Grade 6.0
$10$33

Grade 6.0 sells for 3.3× (+230%) the Ungraded price — a $23 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Swamp Thing #14 (1975), the jump from Ungraded to Grade 8.0 is worth $29 (3.9×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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 Swamp Thing #14 (1975) listings ↗Full Swamp Thing #14 (1975) 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).

Swamp Thing #14 (1975): Ungraded vs Grade 8.0 Price Difference