Ungraded vs Grade 8.0 Adventure Comics #357 (1967): price difference

Adventure Comics #357 (1967) value — Ungraded $6 vs Grade 8.0 $64. Grade 8.0 sells for 10.67× Ungraded (+967%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$6—eBay ↗
Grade 6.0$366× · +500%eBay ↗
Grade 8.0$6410.67× · +967%eBay ↗

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

Ungraded vs Grade 8.0
$6→$64

Grade 8.0 sells for 10.67× (+967%) the Ungraded price — a $58 difference per comic.

Ungraded vs Grade 6.0
$6→$36

Grade 6.0 sells for 6× (+500%) the Ungraded price — a $30 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Adventure Comics #357 (1967), the jump from Ungraded to Grade 8.0 is worth $58 (10.67×) — 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 Adventure Comics #357 (1967) listings ↗Full Adventure Comics #357 (1967) 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).