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Sub-Mariner #8
Marvel Comics, 12/68
Roy Thomas storySub-Mariner vs. Thing.
John Buscema and Dan Adkins art1st Silver Age appearance of Betty Dean.
John Buscema coverVision and Giant-Man cameo.

 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 BOOKUniversal1,0277.340
0.00%		0
0.00%		7
0.7%		24
3.0%		49
7.8%		85
16.1%		82
24.1%		99
33.7%		113
44.7%		113
56%		117
67%		112
78%		66
84%		40
88%		38
92%		30
95%		25
97%		12
99%		9
99%		3
100%		2
100%		1
100%		0
100%		0
100%		0
100%
1 BOOKRestored587.580
0.00%		0
0.00%		0
0.0%		4
6.9%		6
17.2%		3
22.4%		3
27.6%		5
36.2%		7
48.3%		8
62%		7
74%		4
81%		3
86%		2
90%		2
93%		3
98%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKSignature537.030
0.00%		0
0.00%		0
0.0%		0
0.0%		5
9.4%		1
11.3%		2
15.1%		7
28.3%		8
43.4%		4
51%		5
60%		6
72%		4
79%		1
81%		4
89%		2
92%		0
92%		2
96%		1
98%		1
100%		0
100%		0
100%		0
100%		0
100%		0
100%
1 BOOKQualified26.250
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%		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%

TOTAL SUBMISSIONS (all types): 1,140
Sub-Mariner #8 (1968, Marvel Comics)
CGC Universal Grade Distribution
0%

0
10		0%

0
9.9		1%

7
9.8		2%

24
9.6		5%

49
9.4		8%

85
9.2		8%

82
9.0		10%

99
8.5		11%

113
8.0		11%

113
7.5		11%

117
7.0		11%

112
6.5		6%

66
6.0		4%

40
5.5		4%

38
5.0		3%

30
4.5		2%

25
4.0		1%

12
3.5		1%

9
3.0		0%

3
2.5		0%

2
2.0		0%

1
1.8		0%

0
1.5		0%

0
1.0		0%

0
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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