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Challengers of the Unknown #52
	DC Comics, 10-11/66

France Herron story		Villo and Brainex appearance.
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 52 (10-11/66, DC Comics)	Universal	1	9.00	July 17, 2003							1
2. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	1	9.00	January 08, 2004							1
3. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	1	9.00	July 12, 2004							1
4. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	1	9.00	December 16, 2004							1
5. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	1	9.00	July 07, 2005							1
6. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	1	9.00	January 27, 2006							1
7. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	2	9.00	June 20, 2006							2
8. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	2	9.00	January 10, 2007							2
9. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	2	9.00	July 05, 2007							2
10. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	3	9.13	January 09, 2008					1		2
11. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	3	9.13	July 01, 2008					1		2
12. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	4	9.25	January 13, 2009				1	1		2
13. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	5	9.28	June 24, 2009				1	2		2
14. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	6	9.33	December 15, 2009				2	2		2
15. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	6	9.33	June 14, 2010				2	2		2
16. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	6	9.33	December 27, 2010				2	2		2
17. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	7	9.34	June 27, 2011				2	3		2
18. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	7	9.34	January 02, 2012				2	3		2
19. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	7	9.34	July 02, 2012				2	3		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 52 (10-11/66, DC Comics)	Universal	8	9.38	December 31, 2012				3	3		2
21. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	9	9.38	June 22, 2013				4	2	1	2
22. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	10	9.42	December 31, 2013			1	4	2	1	2
23. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	11	9.34	July 01, 2014			1	4	2	1	2	1
24. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	11	9.34	December 30, 2014			1	4	2	1	2	1
25. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	11	9.34	June 30, 2015			1	4	2	1	2	1
26. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	11	9.34	December 29, 2015			1	4	2	1	2	1
27. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	12	9.23	June 28, 2016			1	4	2	1	2	1	1
28. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	12	9.23	December 27, 2016			1	4	2	1	2	1	1
29. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	June 27, 2017			1	4	3	1	2	1	1
30. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	January 02, 2018			1	4	3	1	2	1	1
31. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	July 03, 2018			1	4	3	1	2	1	1
32. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	January 01, 2019			1	4	3	1	2	1	1
33. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	July 02, 2019			1	4	3	1	2	1	1
34. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	December 31, 2019			1	4	3	1	2	1	1
35. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	June 30, 2020			1	4	3	1	2	1	1
36. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	13	9.24	December 29, 2020			1	4	3	1	2	1	1
37. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	14	9.11	June 29, 2021			1	4	3	1	2	1	1	1
38. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	14	9.11	December 28, 2021			1	4	3	1	2	1	1	1
39. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	15	9.04	June 28, 2022			1	4	3	1	2	1	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
40. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	15	9.04	December 27, 2022			1	4	3	1	2	1	2	1
41. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	15	9.04	June 27, 2023			1	4	3	1	2	1	2	1
42. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.06	December 31, 2023			1	4	4	1	2	1	2	1
43. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	June 17, 2025			2	3	4	1	2	1	2	1
44. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	June 24, 2025			2	3	4	1	2	1	2	1
45. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	July 01, 2025			2	3	4	1	2	1	2	1
46. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	July 15, 2025			2	3	4	1	2	1	2	1
47. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	July 22, 2025			2	3	4	1	2	1	2	1
48. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	July 29, 2025			2	3	4	1	2	1	2	1
49. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	August 05, 2025			2	3	4	1	2	1	2	1
50. Challengers of the Unknown 52 (10-11/66, DC Comics)	Universal	16	9.08	August 12, 2025			2	3	4	1	2	1	2	1

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