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Detective Comics #400
DC Comics, 6/70
Frank Robbins and Denny O'Neil storiesOrigin and 1st appearance of Man-Bat.
Neal Adams, Dick Giordano, Gil Kane and1st Robin and Batgirl team-up story.
Vince Colletta art, Neal Adams cover400th anniversary issue.

 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 BOOKUniversal1,6206.850
0.00%
0
0.00%
11
0.7%
31
2.6%
62
6.4%
73
10.9%
122
18.5%
147
27.5%
154
37.0%
126
44.8%
165
55%
158
65%
142
74%
114
81%
89
86%
57
90%
67
94%
40
96%
25
98%
17
99%
9
99%
1
99%
3
100%
3
100%
4
100%
1 BOOKSignature1636.650
0.00%
0
0.00%
0
0.0%
1
0.6%
6
4.3%
5
7.4%
7
11.7%
17
22.1%
18
33.1%
14
41.7%
18
53%
18
64%
12
71%
11
78%
11
85%
8
90%
5
93%
5
96%
1
96%
2
98%
0
98%
0
98%
1
98%
1
99%
2
100%
1 BOOKRestored366.440
0.00%
0
0.00%
0
0.0%
0
0.0%
1
2.8%
2
8.3%
1
11.1%
1
13.9%
2
19.4%
7
38.9%
1
41.7%
5
56%
4
67%
1
69%
5
83%
2
89%
2
94%
2
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
1 BOOKQualified167.620
0.00%
0
0.00%
0
0.0%
0
0.0%
3
18.8%
1
25.0%
2
37.5%
1
43.8%
2
56%
1
63%
0
63%
0
63%
4
88%
1
94%
1
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%
0
100%

TOTAL SUBMISSIONS (all types): 1,835
Detective Comics #400 (1970, DC Comics)
CGC Universal Grade Distribution
0%

0
10
0%

0
9.9
1%

11
9.8
2%

31
9.6
4%

62
9.4
5%

73
9.2
8%

122
9.0
9%

147
8.5
10%

154
8.0
8%

126
7.5
10%

165
7.0
10%

158
6.5
9%

142
6.0
7%

114
5.5
5%

89
5.0
4%

57
4.5
4%

67
4.0
2%

40
3.5
2%

25
3.0
1%

17
2.5
1%

9
2.0
0%

1
1.8
0%

3
1.5
0%

3
1.0
0%

4
0.5
cgcdata.com, last updated February 24, 2026

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"CGC Census Analysis" is provided by Greg Holland (©2003-2026).
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 February 24, 2026.
A visual of CGC label changes through the years is available here.
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