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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 BOOKUniversal1,5706.850
0.00%		0
0.00%		10
0.6%		30
2.5%		60
6.4%		69
10.8%		118
18.3%		144
27.5%		148
36.9%		124
44.8%		160
55%		153
65%		138
74%		110
81%		88
86%		55
90%		64
94%		40
96%		22
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 BOOKRestored336.490
0.00%		0
0.00%		0
0.0%		0
0.0%		1
3.0%		2
9.1%		1
12.1%		1
15.2%		2
21.2%		6
39.4%		1
42.4%		5
58%		4
70%		0
70%		5
85%		1
88%		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): 1,782
Detective Comics #400 (1970, DC Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		1%

10
9.8		2%

30
9.6		4%

60
9.4		4%

69
9.2		8%

118
9.0		9%

144
8.5		9%

148
8.0		8%

124
7.5		10%

160
7.0		10%

153
6.5		9%

138
6.0		7%

110
5.5		6%

88
5.0		4%

55
4.5		4%

64
4.0		3%

40
3.5		1%

22
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 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.
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