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Challengers of the Unknown #29
	DC Comics, 12/62-1/63

Arnold Drake and Ed Herron stories
Bob Brown cover and 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 29 (12/62-1/63, DC Comics)	Universal	1	9.60	July 01, 2001				1
2. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	3	8.67	January 27, 2002				1	1						1
3. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	6	8.48	July 17, 2003				1	2				1	1	1
4. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	6	8.48	January 08, 2004				1	2				1	1	1
5. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	6	8.48	July 12, 2004				1	2				1	1	1
6. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	7	8.49	December 16, 2004				1	2			1	1	1	1
7. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	7	8.49	July 07, 2005				1	2			1	1	1	1
8. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	7	8.49	January 27, 2006				1	2			1	1	1	1
9. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	7	8.49	June 20, 2006				1	2			1	1	1	1
10. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	January 10, 2007				1	2		1	1	1	1	1
11. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	July 05, 2007				1	2		1	1	1	1	1
12. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	January 09, 2008				1	2		1	1	1	1	1
13. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	July 01, 2008				1	2		1	1	1	1	1
14. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	January 13, 2009				1	2		1	1	1	1	1
15. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	8	8.55	June 24, 2009				1	2		1	1	1	1	1
16. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	9	8.62	December 15, 2009				1	2	1	1	1	1	1	1
17. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	9	8.62	June 14, 2010				1	2	1	1	1	1	1	1
18. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	9	8.62	December 27, 2010				1	2	1	1	1	1	1	1
19. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	9	8.62	June 27, 2011				1	2	1	1	1	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
20. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	9	8.62	January 02, 2012				1	2	1	1	1	1	1	1
21. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.67	July 02, 2012			1	1	2	1	1	1	2	1	1
22. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.67	December 31, 2012			1	1	2	1	1	1	2	1	1
23. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	12	8.49	June 22, 2013			1	1	2	1	1	1	2	1	1	1
24. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.54	December 31, 2013			1	1	2	1	1	1	1	1	1	1
25. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.54	July 01, 2014			1	1	2	1	1	1	1	1	1	1
26. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.54	December 30, 2014			1	1	2	1	1	1	1	1	1	1
27. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	11	8.54	June 30, 2015			1	1	2	1	1	1	1	1	1	1
28. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	12	8.53	December 29, 2015			1	1	2	1	1	2	1	1	1	1
29. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	12	8.53	June 28, 2016			1	1	2	1	1	2	1	1	1	1
30. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	12	8.53	December 27, 2016			1	1	2	1	1	2	1	1	1	1
31. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	12	8.53	June 27, 2017			1	1	2	1	1	2	1	1	1	1
32. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.49	January 02, 2018			1	1	2	1	1	2	2	1	1	1
33. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.49	July 03, 2018			1	1	2	1	1	2	2	1	1	1
34. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.49	January 01, 2019			1	1	2	1	1	2	2	1	1	1
35. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.49	July 02, 2019			1	1	2	1	1	2	2	1	1	1
36. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.49	December 31, 2019			1	1	2	1	1	2	2	1	1	1
37. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	June 30, 2020			1	1	2	1	1	2	2	1	1	2
38. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	December 29, 2020			1	1	2	1	1	2	2	1	1	2
39. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	June 29, 2021			1	1	2	1	1	2	2	1	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
40. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	December 28, 2021			1	1	2	1	1	2	2	1	1	2
41. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	June 28, 2022			1	1	2	1	1	2	2	1	1	2
42. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	14	8.35	December 27, 2022			1	1	2	1	1	2	2	1	1	2
43. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	15	8.41	June 27, 2023			1	1	2	2	1	2	2	1	1	2
44. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	15	8.41	December 31, 2023			1	1	2	2	1	2	2	1	1	2
45. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	17	8.52	August 12, 2025			1	2	2	3	1	2	2	1	1	2
46. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	17	8.52	August 19, 2025			1	2	2	3	1	2	2	1	1	2
47. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.48	August 26, 2025			1	1	2	3		1	2		1	2
48. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	13	8.48	September 02, 2025			1	1	2	3		1	2		1	2
49. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	17	8.52	September 09, 2025			1	2	2	3	1	2	2	1	1	2
50. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Universal	17	8.52	September 16, 2025			1	2	2	3	1	2	2	1	1	2
51. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 01, 2001							1	1
52. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 27, 2002							1	1
53. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 17, 2003							1	1
54. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 08, 2004							1	1
55. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 12, 2004							1	1
56. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 16, 2004							1	1
57. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 07, 2005							1	1
58. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 27, 2006							1	1
59. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 20, 2006							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
60. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 10, 2007							1	1
61. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 05, 2007							1	1
62. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 09, 2008							1	1
63. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 01, 2008							1	1
64. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 13, 2009							1	1
65. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 24, 2009							1	1
66. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 15, 2009							1	1
67. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 14, 2010							1	1
68. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 27, 2010							1	1
69. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 27, 2011							1	1
70. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 02, 2012							1	1
71. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 02, 2012							1	1
72. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 31, 2012							1	1
73. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 22, 2013							1	1
74. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 31, 2013							1	1
75. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 01, 2014							1	1
76. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 30, 2014							1	1
77. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 30, 2015							1	1
78. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 29, 2015							1	1
79. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 28, 2016							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
80. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 27, 2016							1	1
81. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 27, 2017							1	1
82. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 02, 2018							1	1
83. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 03, 2018							1	1
84. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	January 01, 2019							1	1
85. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	July 02, 2019							1	1
86. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 31, 2019							1	1
87. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 30, 2020							1	1
88. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 29, 2020							1	1
89. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 29, 2021							1	1
90. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 28, 2021							1	1
91. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 28, 2022							1	1
92. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 27, 2022							1	1
93. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	June 27, 2023							1	1
94. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	December 31, 2023							1	1
95. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	August 12, 2025							1	1
96. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	August 19, 2025							1	1
97. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	August 26, 2025							1	1
98. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	September 02, 2025							1	1
99. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	September 09, 2025							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
100. Challengers of the Unknown 29 (12/62-1/63, DC Comics)	Qualified	2	8.75	September 16, 2025							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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