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Adventure Comics #428
DC Comics, 7-8/73
Sheldon Mayer and Steve Skeates storiesOrigin and 1st appearance of
Tony DeZuniga artBlack Orchid (Susan Linden-Thorne).
Bob Oksner coverDoctor 13 backup story.

 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 BOOKUniversal3448.220
0.00%		0
0.00%		11
3.2%		31
12.2%		55
28.2%		38
39.2%		41
51%		40
63%		27
71%		28
79%		13
83%		17
88%		12
91%		11
94%		5
96%		6
97%		6
99%		0
99%		3
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKQualified87.990
0.00%		0
0.00%		0
0.0%		0
0.0%		0
0.0%		2
25.0%		0
25.0%		1
37.5%		3
75%		0
75%		1
88%		0
88%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKSignature56.600
0.00%		0
0.00%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		2
40.0%		0
40.0%		0
40.0%		1
60%		1
80%		0
80%		0
80%		0
80%		0
80%		0
80%		0
80%		0
80%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%

TOTAL SUBMISSIONS (all types): 357
Adventure Comics #428 (1973, DC Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		3%

11
9.8		9%

31
9.6		16%

55
9.4		11%

38
9.2		12%

41
9.0		12%

40
8.5		8%

27
8.0		8%

28
7.5		4%

13
7.0		5%

17
6.5		3%

12
6.0		3%

11
5.5		1%

5
5.0		2%

6
4.5		2%

6
4.0		0%

0
3.5		1%

3
3.0		0%

0
2.5		0%

0
2.0		0%

0
1.8		0%

0
1.5		0%

0
1.0		0%

0
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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