Ungraded vs Grade 6.0 Captain Marvel Adventures #128 (1952): price difference
Captain Marvel Adventures #128 (1952) value — Ungraded $68 vs Grade 6.0 $5100. Grade 6.0 sells for 75× Ungraded (+7400%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs Grade 6.0
$68→$5100
Grade 6.0 sells for 75× (+7400%) the Ungraded price — a $5,032 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Captain Marvel Adventures #128 (1952), the jump from Ungraded to Grade 6.0 is worth $5,032 (75×) — 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).