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Challengers of the Unknown #19
	DC Comics, 4-5/61

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 19 (4-5/61, DC Comics)	Universal	1	7.00	July 01, 2001											1
2. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	3	5.00	January 27, 2002											1				1				1
3. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	3	5.00	July 17, 2003											1				1				1
4. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	4	5.13	January 08, 2004											1			1	1				1
5. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	4	5.13	July 12, 2004											1			1	1				1
6. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	4	5.13	December 16, 2004											1			1	1				1
7. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	4	5.13	July 07, 2005											1			1	1				1
8. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	5	5.00	January 27, 2006											1			1	1	1			1
9. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	5	5.00	June 20, 2006											1			1	1	1			1
10. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	5	5.00	January 10, 2007											1			1	1	1			1
11. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	6	5.50	July 05, 2007									1		1			1	1	1			1
12. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	5	5.00	January 09, 2008											1			1	1	1			1
13. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	6	5.42	July 01, 2008										1	1			1	1	1			1
14. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	6	5.42	January 13, 2009										1	1			1	1	1			1
15. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	6	5.42	June 24, 2009										1	1			1	1	1			1
16. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	7	5.93	December 15, 2009							1			1	1			1	1	1			1
17. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	7	5.93	June 14, 2010							1			1	1			1	1	1			1
18. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	8	6.34	December 27, 2010						1	1			1	1			1	1	1			1
19. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	9	6.36	June 27, 2011						1	1			1	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 19 (4-5/61, DC Comics)	Universal	9	6.36	January 02, 2012						1	1			1	1	1		1	1	1			1
21. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	10	6.64	July 02, 2012						2	1			1	1	1		1	1	1			1
22. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	11	6.85	December 31, 2012						2	2			1	1	1		1	1	1			1
23. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	June 22, 2013						2	2			1	1	2		1	1	1			1
24. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	December 31, 2013						2	2			1	1	2		1	1	1			1
25. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	July 01, 2014						2	2			1	1	2		1	1	1			1
26. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	December 30, 2014						2	2			1	1	2		1	1	1			1
27. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	June 30, 2015						2	2			1	1	2		1	1	1			1
28. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	December 29, 2015						2	2			1	1	2		1	1	1			1
29. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	June 28, 2016						2	2			1	1	2		1	1	1			1
30. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	December 27, 2016						2	2			1	1	2		1	1	1			1
31. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	June 27, 2017						2	2			1	1	2		1	1	1			1
32. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	January 02, 2018						2	2			1	1	2		1	1	1			1
33. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	July 03, 2018						2	2			1	1	2		1	1	1			1
34. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	12	6.83	January 01, 2019						2	2			1	1	2		1	1	1			1
35. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	13	6.53	July 02, 2019						2	2			1	1	2		1	1	1			2
36. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	13	6.53	December 31, 2019						2	2			1	1	2		1	1	1			2
37. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	14	6.71	June 30, 2020						2	3			1	1	2		1	1	1			2
38. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	14	6.71	December 29, 2020						2	3			1	1	2		1	1	1			2
39. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	14	6.71	June 29, 2021						2	3			1	1	2		1	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 19 (4-5/61, DC Comics)	Universal	14	6.71	December 28, 2021						2	3			1	1	2		1	1	1			2
41. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	14	6.71	June 28, 2022						2	3			1	1	2		1	1	1			2
42. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	December 27, 2022						2	3		2	2	1	2		1	1	1			2
43. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	June 27, 2023						2	3		2	2	1	2		1	1	1			2
44. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	December 31, 2023						2	3		2	2	1	2		1	1	1			2
45. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	June 17, 2025						2	3		2	2	1	2		1	1	1			2
46. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	June 24, 2025						2	3		2	2	1	2		1	1	1			2
47. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	July 01, 2025						2	3		2	2	1	2		1	1	1			2
48. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	July 15, 2025						2	3		2	2	1	2		1	1	1			2
49. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	July 22, 2025						2	3		2	2	1	2		1	1	1			2
50. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	July 29, 2025						2	3		2	2	1	2		1	1	1			2
51. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	August 05, 2025						2	3		2	2	1	2		1	1	1			2
52. Challengers of the Unknown 19 (4-5/61, DC Comics)	Universal	17	6.91	August 12, 2025						2	3		2	2	1	2		1	1	1			2
53. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 17, 2003							1
54. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 08, 2004							1
55. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 12, 2004							1
56. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 16, 2004							1
57. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 07, 2005							1
58. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 27, 2006							1
59. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 20, 2006							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 19 (4-5/61, DC Comics)	Restored	1	9.00	January 10, 2007							1
61. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 05, 2007							1
62. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 09, 2008							1
63. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 01, 2008							1
64. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 13, 2009							1
65. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 24, 2009							1
66. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 15, 2009							1
67. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 14, 2010							1
68. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 27, 2010							1
69. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 27, 2011							1
70. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 02, 2012							1
71. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 02, 2012							1
72. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 31, 2012							1
73. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 22, 2013							1
74. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 31, 2013							1
75. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 01, 2014							1
76. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 30, 2014							1
77. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 30, 2015							1
78. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 29, 2015							1
79. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 28, 2016							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 19 (4-5/61, DC Comics)	Restored	1	9.00	December 27, 2016							1
81. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 27, 2017							1
82. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 02, 2018							1
83. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 03, 2018							1
84. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	January 01, 2019							1
85. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 02, 2019							1
86. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 31, 2019							1
87. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 30, 2020							1
88. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 29, 2020							1
89. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 29, 2021							1
90. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 28, 2021							1
91. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 28, 2022							1
92. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 27, 2022							1
93. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 27, 2023							1
94. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	December 31, 2023							1
95. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 17, 2025							1
96. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	June 24, 2025							1
97. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 01, 2025							1
98. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 15, 2025							1
99. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	July 22, 2025							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 19 (4-5/61, DC Comics)	Restored	1	9.00	July 29, 2025							1
101. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	August 05, 2025							1
102. Challengers of the Unknown 19 (4-5/61, DC Comics)	Restored	1	9.00	August 12, 2025							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 August 12, 2025.
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