Detective Comics #31
#31
Key Issue
September 10, 1939

Detective Comics #31

Key Issue
Classic Batman cover; First appearance The Monk; First appearance of Julie Madison (Bruce Wayne's first love interest); First Batplane; First Batarang
Artist
Bob Kane
Vincent Sullivan
Paul Gustavson
Homer Fleming
Mart Bailey
Ken Ernst
Fred Guardineer
Tom Hickey
Sven Elven
Joe Shuster
Sheldon Moldoff
Script Writer
Gardner F. Fox
Vincent Sullivan
Jerry Siegel
Tom Hickey
Sven Elven
Publisher
DC Comics
Editor
Vincent Sullivan
Publication Date
Sep 10, 1939
Cover Price
$0.10
Page Count
68 pages

What's it Worth?

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Graded Population

CGC Title
Publisher
Date
Verify
Detective Comics #31
D.C. Comics
9/39
Verify with CGC
All Grades
104
Population Share
Universal
61
58.7% of pop
Signature
1
1% of pop
Restored
39
37.5% of pop
Qualified
1
1% of pop
Conserved
2
1.9% of pop
9.2
0
--
0
--
1
top 2.6%
0
--
0
--
8.5
0
--
0
--
4
top 12.8%
0
--
0
--
8.0
1
top 1.6%
0
--
4
top 23.1%
0
--
0
--
7.5
0
--
0
--
3
top 30.8%
0
--
0
--
7.0
1
top 3.3%
0
--
2
top 35.9%
0
--
0
--
6.5
2
top 6.6%
0
--
3
top 43.6%
0
--
0
--
6.0
2
top 9.8%
0
--
8
top 64.1%
0
--
1
top 50%
5.5
1
top 11.5%
0
--
3
top 71.8%
0
--
0
--
5.0
5
top 19.7%
0
--
1
top 74.4%
0
--
0
--
4.5
2
top 23%
0
--
2
top 79.5%
0
--
0
--
4.0
7
top 34.4%
0
--
3
top 87.2%
0
--
0
--
3.5
3
top 39.3%
0
--
0
--
0
--
0
--
3.0
5
top 47.5%
0
--
1
top 89.7%
0
--
0
--
2.5
4
top 54.1%
0
--
2
top 94.9%
0
--
0
--
2.0
3
top 59%
0
--
0
--
0
--
0
--
1.8
5
top 67.2%
0
--
2
top 100%
0
--
1
top 100%
1.5
9
top 82%
0
--
0
--
1
top 100%
0
--
1.0
4
top 88.5%
0
--
0
--
0
--
0
--
0.5
7
top 100%
1
top 100%
0
--
0
--
0
--
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