Detective Comics #523
#523
Key Issue
February 10, 1983

Detective Comics #523

Key Issue
First cameo appearance of Killer Croc
Artist
Adrienne Roy
Tom Ziuko
Ed Hannigan
Gene Colan
Irv Novick
Ben Oda
Phil Felix
Script Writer
Gerry Conway
Joey Cavalieri
Editor
Len Wein
Nicola Cuti
Publisher
DC Comics
Publication Date
Feb 10, 1983
Cover Price
$0.60
Page Count
36 pages

What's it Worth?

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Graded Population

CGC Title
Publisher
Date
Verify
Detective Comics #523
D.C. Comics
2/83
Verify with CGC
All Grades
337
Population Share
Universal
319
94.7% of pop
Signature
18
5.3% of pop
Restored
0
0% of pop
Qualified
0
0% of pop
Conserved
0
0% of pop
9.8
61
top 19.1%
5
top 27.8%
0
--
0
--
0
--
9.6
84
top 45.5%
8
top 72.2%
0
--
0
--
0
--
9.4
62
top 64.9%
2
top 83.3%
0
--
0
--
0
--
9.2
34
top 75.5%
1
top 88.9%
0
--
0
--
0
--
9.0
21
top 82.1%
0
--
0
--
0
--
0
--
8.5
20
top 88.4%
1
top 94.4%
0
--
0
--
0
--
8.0
11
top 91.8%
0
--
0
--
0
--
0
--
7.5
7
top 94%
0
--
0
--
0
--
0
--
7.0
10
top 97.2%
1
top 100%
0
--
0
--
0
--
6.5
4
top 98.4%
0
--
0
--
0
--
0
--
5.5
2
top 99.1%
0
--
0
--
0
--
0
--
5.0
1
top 99.4%
0
--
0
--
0
--
0
--
4.5
1
top 99.7%
0
--
0
--
0
--
0
--
4.0
1
top 100%
0
--
0
--
0
--
0
--
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Known Variants

1 Variations of Detective Comics #523

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