Detective Comics #140
#140
Key Issue
October 10, 1948

Detective Comics #140

Key Issue
First appearance of The Riddler; Origin of The Ridder; First appearance of Edward Nigma
Artist
Winslow Mortimer
Dick Sprang
Jimmy Thompson
Howard Sherman
Curt Swan
Script Writer
Bill Finger
Otto Binder
Publisher
DC Comics
Editor
Whitney Ellsworth
Publication Date
Oct 10, 1948
Cover Price
$0.10
Page Count
52 pages

What's it Worth?

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Graded Population

CGC Title
Publisher
Date
Verify
Detective Comics #140
D.C. Comics
10/48
Verify
All Grades
219
Population Share
Universal
188
85.8% of pop
Signature
0
0% of pop
Restored
22
10% of pop
Qualified
7
3.2% of pop
Conserved
2
0.9% of pop
9.6
1
top 0.5%
0
--
0
--
0
--
0
--
9.4
2
top 1.6%
0
--
0
--
0
--
0
--
9.0
2
top 2.7%
0
--
0
--
0
--
0
--
8.5
1
top 3.2%
0
--
2
top 9.1%
0
--
0
--
8.0
5
top 5.9%
0
--
3
top 22.7%
0
--
0
--
7.5
5
top 8.5%
0
--
3
top 36.4%
0
--
0
--
7.0
12
top 14.9%
0
--
3
top 50%
1
top 14.3%
0
--
6.5
9
top 19.7%
0
--
0
--
0
--
0
--
6.0
14
top 27.1%
0
--
0
--
0
--
0
--
5.5
11
top 33%
0
--
0
--
0
--
0
--
5.0
15
top 41%
0
--
1
top 54.5%
1
top 28.6%
0
--
4.5
21
top 52.1%
0
--
0
--
2
top 57.1%
1
top 50%
4.0
9
top 56.9%
0
--
1
top 59.1%
0
--
1
top 100%
3.5
17
top 66%
0
--
1
top 63.6%
0
--
0
--
3.0
16
top 74.5%
0
--
0
--
0
--
0
--
2.5
10
top 79.8%
0
--
1
top 68.2%
0
--
0
--
2.0
9
top 84.6%
0
--
1
top 72.7%
0
--
0
--
1.8
4
top 86.7%
0
--
3
top 86.4%
0
--
0
--
1.5
10
top 92%
0
--
2
top 95.5%
1
top 71.4%
0
--
1.0
5
top 94.7%
0
--
0
--
1
top 85.7%
0
--
0.5
10
top 100%
0
--
1
top 100%
1
top 100%
0
--
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Known Variants

3 Variations of Detective Comics #140

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