Ungraded vs Grade 6.0 G.I. Combat #18 (1954): price difference
G.I. Combat #18 (1954) value — Ungraded $38 vs Grade 6.0 $336. Grade 6.0 sells for 8.84× Ungraded (+784%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 6.0
$38→$336
Grade 6.0 sells for 8.84× (+784%) the Ungraded price — a $298 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On G.I. Combat #18 (1954), the jump from Ungraded to Grade 6.0 is worth $298 (8.84×) — 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).