Detective Comics #447 (1975) — Comic Book Value

Detective Comics

What Detective Comics #447 (1975) is worth — ungraded and CGC graded (6.0, 8.0).

Detective Comics #447 (1975) value — Ungraded $14 · Grade 6.0 $39 · Grade 8.0 $75. Prices updated July 2026.

Series · Detective Comics
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Value by grade
$14
Ungraded
2.8×
$39
Grade 6.0
5.4×
$75
Grade 8.0

Real sold prices per grade — the Grade 8.0 premium on this card is 5.4× raw.

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Item details

Series
Detective Comics

Detective Comics #447 (1975) comic value

An ungraded copy of Detective Comics #447 (1975) averages around $14. A CGC 6.0 runs about $39, and a CGC 8.0 commands $75.

What drives the price

Grade is everything in comics — spine ticks, page color, and restoration decide the number, and the jump from raw to high grade can be 10×+. Key issues (first appearances, origins, deaths) carry the biggest premiums, and early printings beat reprints.

Price guide

Sold values by grade vs. what sellers ask today

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ConditionValueBased on
Ungraded$14eBay sold comps
Grade 6.0$39eBay sold comps
Grade 8.0$75eBay sold comps

Frequently asked questions

What is the starting price for Detective Comics #447?
The ungraded version of Detective Comics #447 starts at $11.
How much is a Grade 8.0 copy worth?
A Grade 8.0 copy of Detective Comics #447 is currently listed for $75.
Is the condition important for this comic's value?
Yes, condition significantly impacts value; a Grade 6.0 sells for $39 compared to the ungraded price.

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