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Adventure Comics #340
DC Comics, 1/66
Jerry Siegel story1st appearance of Computo.
Curt Swan and George Klein cover and artLast appearance of Triplicate Girl.

 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 BOOKUniversal1078.020
0.00%		0
0.00%		11
10.3%		14
23.4%		13
35.5%		7
42.1%		15
56%		4
60%		3
63%		9
71%		6
77%		5
81%		6
87%		1
88%		3
91%		4
94%		3
97%		0
97%		1
98%		1
99%		1
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKQualified29.100
0.00%		0
0.00%		0
0.0%		0
0.0%		0
0.0%		1
50%		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%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKSignature15.000
0.00%		0
0.00%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		0
0.0%		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): 110
Adventure Comics #340 (1966, DC Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		10%

11
9.8		13%

14
9.6		12%

13
9.4		7%

7
9.2		14%

15
9.0		4%

4
8.5		3%

3
8.0		8%

9
7.5		6%

6
7.0		5%

5
6.5		6%

6
6.0		1%

1
5.5		3%

3
5.0		4%

4
4.5		3%

3
4.0		0%

0
3.5		1%

1
3.0		1%

1
2.5		1%

1
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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