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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 BOOKUniversal1,7066.840
0.00%		0
0.00%		12
0.7%		30
2.5%		65
6.3%		74
10.6%		127
18.1%		150
26.8%		165
36.5%		140
44.7%		173
55%		167
65%		149
73%		121
80%		94
86%		61
90%		69
94%		41
96%		28
98%		17
99%		10
99%		1
99%		3
99%		3
100%		6
100%
1 BOOKSignature1626.660
0.00%		0
0.00%		0
0.0%		1
0.6%		6
4.3%		5
7.4%		7
11.7%		17
22.2%		18
33.3%		14
42.0%		18
53%		18
64%		12
72%		10
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 BOOKQualified177.550
0.00%		0
0.00%		0
0.0%		0
0.0%		3
17.6%		1
23.5%		2
35.3%		1
41.2%		2
53%		1
59%		0
59%		1
65%		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): 1,921
Detective Comics #400 (1970, DC Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		1%

12
9.8		2%

30
9.6		4%

65
9.4		4%

74
9.2		7%

127
9.0		9%

150
8.5		10%

165
8.0		8%

140
7.5		10%

173
7.0		10%

167
6.5		9%

149
6.0		7%

121
5.5		6%

94
5.0		4%

61
4.5		4%

69
4.0		2%

41
3.5		2%

28
3.0		1%

17
2.5		1%

10
2.0		0%

1
1.8		0%

3
1.5		0%

3
1.0		0%

6
0.5
cgcdata.com, last updated November 03, 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 November 03, 2026.
A visual of CGC label changes through the years is available here.
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