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Results for: isolateid/2078       -edit search-
Show the historical CGC Census results for this book.
Currently showing only the most recent CGC Census totals, last updated August 19, 2025.

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Detective Comics #31
DC Comics, 9/39
Gardner Fox and Jerry Siegel storiesClassic cover. 1st Batplane.
Fred Guardineer and Joe Shuster art1st appearance of the Monk
Bob Kane cover and artand Julie Madison.

 BooksCGC LabelCGC TotalAvg. Grade109.99.89.69.49.29.08.58.07.57.06.56.05.55.04.54.03.53.02.52.01.81.51.00.5
1 BOOKUniversal673.010
0.00%
0
0.00%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
1
1.5%
1
3.0%
2
6.0%
2
9.0%
2
11.9%
2
14.9%
5
22.4%
2
25.4%
7
35.8%
3
40.3%
5
47.8%
4
54%
3
58%
5
66%
9
79%
6
88%
8
100%
1 BOOKRestored425.960
0.00%
0
0.00%
0
0.0%
0
0.0%
0
0.0%
1
2.4%
0
2.4%
4
11.9%
4
21.4%
3
28.6%
2
33.3%
3
40.5%
10
64%
3
71%
2
76%
2
81%
3
88%
0
88%
1
90%
2
95%
0
95%
2
100%
0
100%
0
100%
0
100%
1 BOOKSignature10.500
0.00%
0
0.00%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
0
0.0%
1
100%

TOTAL SUBMISSIONS (all types): 110
Detective Comics #31 (1939, DC Comics)
CGC Universal Grade Distribution
0%

0
10
0%

0
9.9
0%

0
9.8
0%

0
9.6
0%

0
9.4
0%

0
9.2
0%

0
9.0
0%

0
8.5
1%

1
8.0
1%

1
7.5
3%

2
7.0
3%

2
6.5
3%

2
6.0
3%

2
5.5
7%

5
5.0
3%

2
4.5
10%

7
4.0
4%

3
3.5
7%

5
3.0
6%

4
2.5
4%

3
2.0
7%

5
1.8
13%

9
1.5
9%

6
1.0
12%

8
0.5
cgcdata.com, last updated August 19, 2025

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"CGC Census Analysis" is provided by Greg Holland (©2003-2025).
Data is sourced from the public CGC census (© Certified Guaranty Company, LLC.)
Used with permission of CGC since 2003. Data is from July 01, 2001 to August 19, 2025.
A visual of CGC label changes through the years is available here.
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