Detective Comics #421 (1972) — Comic Book Value
Detective ComicsWhat Detective Comics #421 (1972) is worth — ungraded and CGC graded (6.0, 8.0).
Detective Comics #421 (1972) value — Ungraded $15 · Grade 6.0 $60 · Grade 8.0 $71. Prices updated September 2026.
Series · Detective Comics
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Value by grade
$15
Ungraded
4.0×
$60
Grade 6.0
4.7×
$71
Grade 8.0
Real sold prices per grade — the Grade 8.0 premium on this card is 4.7× raw.
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Item details
- Series
- Detective Comics
Detective Comics #421 (1972) comic value
An ungraded copy of Detective Comics #421 (1972) averages around $15. A CGC 6.0 runs about $60, and a CGC 8.0 commands $71.
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
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $15 | eBay sold comps |
| Grade 6.0 | $60 | eBay sold comps |
| Grade 8.0 | $71 | eBay sold comps |
Frequently asked questions
- What is the starting price for Detective Comics #421?
- The ungraded version of Detective Comics #421 is currently available starting at $21.
- How much is a Grade 8.0 copy of this comic?
- A copy of Detective Comics #421 graded at 8.0 is priced at $99.
- Is the condition of the comic the biggest factor in its price?
- Yes, the condition significantly impacts the price, ranging from $21 for ungraded to $99 for a Grade 8.0.