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Challengers of the Unknown #30
	DC Comics, 2-3/63

Bob Brown cover and art		Multi-Man appearance.

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. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	3	8.40	July 01, 2001						1	1				1
2. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	3	8.40	January 27, 2002						1	1				1
3. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	July 17, 2003					1	1	2				2
4. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	January 08, 2004					1	1	2				2
5. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	July 12, 2004					1	1	2				2
6. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	December 16, 2004					1	1	2				2
7. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	July 07, 2005					1	1	2				2
8. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	January 27, 2006					1	1	2				2
9. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	June 20, 2006					1	1	2				2
10. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	January 10, 2007					1	1	2				2
11. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	July 05, 2007					1	1	2				2
12. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	6	8.43	January 09, 2008					1	1	2				2
13. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	July 01, 2008					2	1	2	1			2
14. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	January 13, 2009					2	1	2	1			2
15. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	June 24, 2009					2	1	2	1			2
16. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	December 15, 2009					2	1	2	1			2
17. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	June 14, 2010					2	1	2	1			2
18. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	8	8.56	December 27, 2010					2	1	2	1			2
19. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	9	8.66	June 27, 2011					3	1	2	1			2
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. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	9	8.66	January 02, 2012					3	1	2	1			2
21. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	10	8.69	July 02, 2012					3	1	3	1			2
22. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	11	8.58	December 31, 2012					3	1	3	1		1	2
23. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	12	8.58	June 22, 2013					3	1	3	2		1	2
24. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	13	8.49	December 31, 2013					3	1	3	2		2	2
25. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	14	8.42	July 01, 2014					3	1	3	2		3	2
26. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	14	8.42	December 30, 2014					3	1	3	2		3	2
27. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	June 30, 2015					3	1	4	2		3	2
28. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	December 29, 2015					3	1	4	2		3	2
29. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	June 28, 2016					3	1	4	2		3	2
30. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	December 27, 2016					3	1	4	2		3	2
31. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	June 27, 2017					3	1	4	2		3	2
32. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	January 02, 2018					3	1	4	2		3	2
33. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	July 03, 2018					3	1	4	2		3	2
34. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	15	8.46	January 01, 2019					3	1	4	2		3	2
35. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	July 02, 2019					3	1	4	2	1	4	2
36. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	December 31, 2019					3	1	4	2	1	4	2
37. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	June 30, 2020					3	1	4	2	1	4	2
38. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	December 29, 2020					3	1	4	2	1	4	2
39. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	June 29, 2021					3	1	4	2	1	4	2
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. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	December 28, 2021					3	1	4	2	1	4	2
41. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	17	8.38	June 28, 2022					3	1	4	2	1	4	2
42. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	18	7.94	December 27, 2022					3	1	4	2	1	4	2														1
43. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	19	7.97	June 27, 2023					3	1	4	3	1	4	2														1
44. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	20	8.00	December 31, 2023					3	1	4	4	1	4	2														1
45. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	19	7.98	August 12, 2025				1	2	1	4	3	1	4	2														1
46. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	19	7.98	August 19, 2025				1	2	1	4	3	1	4	2														1
47. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	16	7.98	August 26, 2025				1	2	1	3	3	1	2	2														1
48. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	16	7.98	September 02, 2025				1	2	1	3	3	1	2	2														1
49. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	19	7.98	September 09, 2025				1	2	1	4	3	1	4	2														1
50. Challengers of the Unknown 30 (2-3/63, DC Comics)	Universal	19	7.98	September 16, 2025				1	2	1	4	3	1	4	2														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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