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Thunder Agents #13
	Tower Comics, 6/67

Jerry Siegel and Steve Skeates stories		Undersea Agent backup story.
Wally Wood, Dan Adkins, George Tuska,
Paul Reinman and Odgen Whitney art

Books	CGC Label	CGC Total	Avg. Grade	Census Date	10	9.9	9.8	9.6	9.4	9.2	9.0	8.5	8.0	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.5	3.0	2.5	2.0	1.8	1.5	1.0	0.5
1. Thunder Agents 13 (6/67, Tower Comics)	Universal	1	8.50	July 01, 2001								1
2. Thunder Agents 13 (6/67, Tower Comics)	Universal	2	8.50	January 27, 2002								2
3. Thunder Agents 13 (6/67, Tower Comics)	Universal	4	8.28	July 17, 2003				1				2				1
4. Thunder Agents 13 (6/67, Tower Comics)	Universal	4	8.28	January 08, 2004				1				2				1
5. Thunder Agents 13 (6/67, Tower Comics)	Universal	6	8.53	July 12, 2004				2				3				1
6. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	December 16, 2004				3				3				1
7. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	July 07, 2005				3				3				1
8. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	January 27, 2006				3				3				1
9. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	June 20, 2006				3				3				1
10. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	January 10, 2007				3				3				1
11. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	July 05, 2007				3				3				1
12. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	January 09, 2008				3				3				1
13. Thunder Agents 13 (6/67, Tower Comics)	Universal	7	8.69	July 01, 2008				3				3				1
14. Thunder Agents 13 (6/67, Tower Comics)	Universal	8	8.73	January 13, 2009				3			1	3				1
15. Thunder Agents 13 (6/67, Tower Comics)	Universal	8	8.73	June 24, 2009				3			1	3				1
16. Thunder Agents 13 (6/67, Tower Comics)	Universal	8	8.73	December 15, 2009				3			1	3				1
17. Thunder Agents 13 (6/67, Tower Comics)	Universal	10	8.72	June 14, 2010				3	1		1	3	1			1
18. Thunder Agents 13 (6/67, Tower Comics)	Universal	11	8.78	December 27, 2010				3	2		1	3	1			1
19. Thunder Agents 13 (6/67, Tower Comics)	Universal	11	8.78	June 27, 2011				3	2		1	3	1			1
Books	CGC Label	CGC Total	Avg. Grade	Census Date	10	9.9	9.8	9.6	9.4	9.2	9.0	8.5	8.0	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.5	3.0	2.5	2.0	1.8	1.5	1.0	0.5
20. Thunder Agents 13 (6/67, Tower Comics)	Universal	11	8.78	January 02, 2012				3	2		1	3	1			1
21. Thunder Agents 13 (6/67, Tower Comics)	Universal	12	8.76	July 02, 2012				3	2		1	4	1			1
22. Thunder Agents 13 (6/67, Tower Comics)	Universal	12	8.76	December 31, 2012				3	2		1	4	1			1
23. Thunder Agents 13 (6/67, Tower Comics)	Universal	13	8.81	June 22, 2013				3	3		1	4	1			1
24. Thunder Agents 13 (6/67, Tower Comics)	Universal	13	8.81	December 31, 2013				3	3		1	4	1			1
25. Thunder Agents 13 (6/67, Tower Comics)	Universal	14	8.84	July 01, 2014				3	3	1	1	4	1			1
26. Thunder Agents 13 (6/67, Tower Comics)	Universal	14	8.84	December 30, 2014				3	3	1	1	4	1			1
27. Thunder Agents 13 (6/67, Tower Comics)	Universal	14	8.84	June 30, 2015				3	3	1	1	4	1			1
28. Thunder Agents 13 (6/67, Tower Comics)	Universal	14	8.84	December 29, 2015				3	3	1	1	4	1			1
29. Thunder Agents 13 (6/67, Tower Comics)	Universal	14	8.84	June 28, 2016				3	3	1	1	4	1			1
30. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	December 27, 2016				3	3	1	1	4	1		1	1
31. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	June 27, 2017				3	3	1	1	4	1		1	1
32. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	January 02, 2018				3	3	1	1	4	1		1	1
33. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	July 03, 2018				3	3	1	1	4	1		1	1
34. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	January 01, 2019				3	3	1	1	4	1		1	1
35. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.71	July 02, 2019				3	3	1	1	4	1		1	1
36. Thunder Agents 13 (6/67, Tower Comics)	Universal	16	8.76	December 31, 2019				3	4	1	1	4	1		1	1
37. Thunder Agents 13 (6/67, Tower Comics)	Universal	16	8.76	June 30, 2020				3	4	1	1	4	1		1	1
38. Thunder Agents 13 (6/67, Tower Comics)	Universal	16	8.76	December 29, 2020				3	4	1	1	4	1		1	1
39. Thunder Agents 13 (6/67, Tower Comics)	Universal	16	8.76	June 29, 2021				3	4	1	1	4	1		1	1
Books	CGC Label	CGC Total	Avg. Grade	Census Date	10	9.9	9.8	9.6	9.4	9.2	9.0	8.5	8.0	7.5	7.0	6.5	6.0	5.5	5.0	4.5	4.0	3.5	3.0	2.5	2.0	1.8	1.5	1.0	0.5
40. Thunder Agents 13 (6/67, Tower Comics)	Universal	17	8.35	December 28, 2021				3	4	1	1	4	1		1	1										1
41. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	June 28, 2022				3	4	1	1	4	1		1	1			1							1
42. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	December 27, 2022				3	4	1	1	4	1		1	1			1							1
43. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	June 27, 2023				3	4	1	1	4	1		1	1			1							1
44. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	December 31, 2023				3	4	1	1	4	1		1	1			1							1
45. Thunder Agents 13 (6/67, Tower Comics)	Universal	15	8.08	September 02, 2025				1	4	1	1	4	1		1				1							1
46. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	September 09, 2025				3	4	1	1	4	1		1	1			1							1
47. Thunder Agents 13 (6/67, Tower Comics)	Universal	18	8.16	September 16, 2025				3	4	1	1	4	1		1	1			1							1

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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 September 16, 2025.
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