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Challengers of the Unknown #11
	DC Comics, 12/59-1/60

Bob Brown and Jack Adler cover		Greytone cover.
Bob Brown 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. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	2	8.25	July 01, 2001								1	1
2. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	2	8.25	January 27, 2002								1	1
3. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	4	8.13	July 17, 2003							1	1	1		1
4. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	4	8.13	January 08, 2004							1	1	1		1
5. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	5	8.00	July 12, 2004							1	1	1	1	1
6. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	6	7.92	December 16, 2004							1	1	1	2	1
7. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	6	7.92	July 07, 2005							1	1	1	2	1
8. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	6	7.92	January 27, 2006							1	1	1	2	1
9. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	6	7.92	June 20, 2006							1	1	1	2	1
10. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	7	7.93	January 10, 2007							1	1	2	2	1
11. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	7	7.93	July 05, 2007							1	1	2	2	1
12. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	8	7.81	January 09, 2008							1	1	2	2	2
13. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	8	7.81	July 01, 2008							1	1	2	2	2
14. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	8	7.81	January 13, 2009							1	1	2	2	2
15. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	8	7.81	June 24, 2009							1	1	2	2	2
16. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	9	7.61	December 15, 2009							1	1	2	2	2		1
17. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	10	7.75	June 14, 2010							2	1	2	2	2		1
18. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	10	7.75	December 27, 2010							2	1	2	2	2		1
19. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	10	7.75	June 27, 2011							2	1	2	2	2		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. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	10	7.75	January 02, 2012							2	1	2	2	2		1
21. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	13	7.92	July 02, 2012							3	2	3	2	2		1
22. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	13	7.92	December 31, 2012							3	2	3	2	2		1
23. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	June 22, 2013							3	2	3	2	2		1	1
24. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	December 31, 2013							3	2	3	2	2		1	1
25. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	July 01, 2014							3	2	3	2	2		1	1
26. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	December 30, 2014							3	2	3	2	2		1	1
27. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	June 30, 2015							3	2	3	2	2		1	1
28. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	December 29, 2015							3	2	3	2	2		1	1
29. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	14	7.75	June 28, 2016							3	2	3	2	2		1	1
30. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	15	7.73	December 27, 2016							3	2	3	3	2		1	1
31. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	15	7.73	June 27, 2017							3	2	3	3	2		1	1
32. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	15	7.73	January 02, 2018							3	2	3	3	2		1	1
33. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	15	7.73	July 03, 2018							3	2	3	3	2		1	1
34. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	18	7.42	January 01, 2019							3	3	3	3	2		1	1	1		1
35. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	18	7.42	July 02, 2019							3	3	3	3	2		1	1	1		1
36. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	19	7.34	December 31, 2019							3	3	3	3	2		2	1	1		1
37. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	22	7.23	June 30, 2020							3	3	3	3	4		2	2	1		1
38. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	22	7.23	December 29, 2020							3	3	3	3	4		2	2	1		1
39. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	23	7.26	June 29, 2021							3	3	4	3	4		2	2	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. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	24	7.21	December 28, 2021							3	3	4	3	4		3	2	1		1
41. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	24	7.21	June 28, 2022							3	3	4	3	4		3	2	1		1
42. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	27	7.24	December 27, 2022							4	3	5	3	4		3	3	1		1
43. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	30	7.07	June 27, 2023							4	3	5	3	4		5	3	1	1	1
44. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	31	7.11	December 31, 2023							4	4	5	3	4		5	3	1	1	1
45. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	June 17, 2025							4	4	6	3	4		6	3	1	1	1
46. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	June 24, 2025							4	4	6	3	4		6	3	1	1	1
47. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	July 01, 2025							4	4	6	3	4		6	3	1	1	1
48. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	July 15, 2025							4	4	6	3	4		6	3	1	1	1
49. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	July 22, 2025							4	4	6	3	4		6	3	1	1	1
50. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	July 29, 2025							4	4	6	3	4		6	3	1	1	1
51. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	August 05, 2025							4	4	6	3	4		6	3	1	1	1
52. Challengers of the Unknown 11 (12/59-1/60, DC Comics)	Universal	33	7.11	August 12, 2025							4	4	6	3	4		6	3	1	1	1

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"CGC Census Analysis" is provided by Greg Holland (©2003-2025).
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Used with permission of CGC since 2003. Data is from July 01, 2001 to August 12, 2025.
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