Ungraded vs Grade 8.0 Detective Comics #99 (1945): price difference

Detective Comics #99 (1945) value — Ungraded $434 vs Grade 8.0 $2292. Grade 8.0 sells for 5.28× Ungraded (+428%). Prices updated September 2026.

↗ Rising · +19%
GradeSold medianvs Ungraded
Ungraded$434—eBay ↗
Grade 6.0$9812.26× · +126%eBay ↗
Grade 8.0$22925.28× · +428%eBay ↗

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

Ungraded vs Grade 8.0
$434→$2292

Grade 8.0 sells for 5.28× (+428%) the Ungraded price — a $1,858 difference per comic.

Grade 6.0 vs Grade 8.0
$981→$2292

Grade 8.0 sells for 2.34× (+134%) the Grade 6.0 price — a $1,311 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Detective Comics #99 (1945), the jump from Ungraded to Grade 8.0 is worth $1,858 (5.28×) — 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 Detective Comics #99 (1945) listings ↗Full Detective Comics #99 (1945) price guide →

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