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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.
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