Ungraded vs Grade 8.0 Flash #158 (1966): price difference

Flash #158 (1966) value — Ungraded $6 vs Grade 8.0 $49. Grade 8.0 sells for 8.17× Ungraded (+717%). Prices updated August 2026.

GradeSold medianvs Ungraded
Ungraded$6eBay ↗
Grade 6.0$366× · +500%eBay ↗
Grade 8.0$498.17× · +717%eBay ↗

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

Ungraded vs Grade 8.0
$6$49

Grade 8.0 sells for 8.17× (+717%) the Ungraded price — a $43 difference per comic.

Ungraded vs Grade 6.0
$6$36

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

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Flash #158 (1966), the jump from Ungraded to Grade 8.0 is worth $43 (8.17×) — 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 Flash #158 (1966) listings ↗Full Flash #158 (1966) 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).

Flash #158 (1966): Ungraded vs Grade 8.0 Price Difference