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?

Building Tables

Graded Population

CGC Title	Publisher	Date	Verify
Detective Comics #140	D.C. Comics	10/48	Verify

All Grades 207 Population Share	Universal 178 86% of pop	Signature 0 0% of pop	Restored 20 9.7% of pop	Qualified 7 3.4% of pop	Conserved 2 1% of pop
9.6	1 top 0.6%	0 --	0 --	0 --	0 --
9.4	2 top 1.7%	0 --	0 --	0 --	0 --
9.0	2 top 2.8%	0 --	0 --	0 --	0 --
8.5	1 top 3.4%	0 --	2 top 10%	0 --	0 --
8.0	5 top 6.2%	0 --	3 top 25%	0 --	0 --
7.5	5 top 9%	0 --	3 top 40%	0 --	0 --
7.0	11 top 15.2%	0 --	3 top 55%	1 top 14.3%	0 --
6.5	9 top 20.2%	0 --	0 --	0 --	0 --
6.0	13 top 27.5%	0 --	0 --	0 --	0 --
5.5	9 top 32.6%	0 --	0 --	0 --	0 --
5.0	15 top 41%	0 --	0 --	1 top 28.6%	0 --
4.5	20 top 52.2%	0 --	0 --	2 top 57.1%	1 top 50%
4.0	9 top 57.3%	0 --	1 top 60%	0 --	1 top 100%
3.5	16 top 66.3%	0 --	1 top 65%	0 --	0 --
3.0	15 top 74.7%	0 --	0 --	0 --	0 --
2.5	10 top 80.3%	0 --	1 top 70%	0 --	0 --
2.0	9 top 85.4%	0 --	1 top 75%	0 --	0 --
1.8	3 top 87.1%	0 --	2 top 85%	0 --	0 --
1.5	10 top 92.7%	0 --	2 top 95%	1 top 71.4%	0 --
1.0	4 top 94.9%	0 --	0 --	1 top 85.7%	0 --
0.5	9 top 100%	0 --	1 top 100%	1 top 100%	0 --

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