Ungraded vs Grade 8.0 Detective Comics #145 (1949): price difference

Detective Comics #145 (1949) value — Ungraded $295 vs Grade 8.0 $1365. Grade 8.0 sells for 4.63× Ungraded (+363%). Prices updated August 2026.

Steady
GradeSold medianvs Ungraded
Ungraded$295eBay ↗
Grade 6.0$4541.54× · +54%eBay ↗
Grade 8.0$13654.63× · +363%eBay ↗

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

Ungraded vs Grade 8.0
$295$1365

Grade 8.0 sells for 4.63× (+363%) the Ungraded price — a $1,070 difference per comic.

Grade 6.0 vs Grade 8.0
$454$1365

Grade 8.0 sells for 3.01× (+201%) the Grade 6.0 price — a $911 difference per comic.

Should you get this comic graded?

Grading runs about $30 per comic all-in. On Detective Comics #145 (1949), the jump from Ungraded to Grade 8.0 is worth $1,070 (4.63×) — 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 #145 (1949) listings ↗Full Detective Comics #145 (1949) price guide →

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