Ungraded vs Grade 8.0 Flash #138 (1998): price difference

Flash #138 (1998) value — Ungraded $19 vs Grade 8.0 $52. Grade 8.0 sells for 2.74× Ungraded (+174%). Prices updated September 2026.

GradeSold medianvs Ungraded
Ungraded$19—eBay ↗
Grade 6.0$271.42× · +42%eBay ↗
Grade 8.0$522.74× · +174%eBay ↗

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

Ungraded vs Grade 8.0
$19→$52

Grade 8.0 sells for 2.74× (+174%) the Ungraded price — a $33 difference per comic.

Grade 6.0 vs Grade 8.0
$27→$52

Grade 8.0 sells for 1.93× (+93%) the Grade 6.0 price — a $25 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Flash #138 (1998), the jump from Ungraded to Grade 8.0 is worth $33 (2.74×) — 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 #138 (1998) listings ↗Full Flash #138 (1998) 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).