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Challengers of the Unknown #82
	DC Comics, 8-9/77

Gerry Conway story		One panel inked by Bernie Wrightson.
Michael Netzer & Joe Rubinstein		Swamp Thing appearance.
cover & 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 82 (8-9/77, DC Comics)	Universal	1	9.60	January 27, 2002				1
2. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	2	9.60	July 17, 2003				2
3. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	3	9.60	January 08, 2004				3
4. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	3	9.60	July 12, 2004				3
5. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	5	9.60	December 16, 2004				5
6. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	6	9.57	July 07, 2005				5	1
7. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	7	9.57	January 27, 2006				6	1
8. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	7	9.57	June 20, 2006				6	1
9. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	7	9.57	January 10, 2007				6	1
10. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	8	9.58	July 05, 2007				7	1
11. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	8	9.58	January 09, 2008				7	1
12. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	8	9.58	July 01, 2008				7	1
13. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	8	9.58	January 13, 2009				7	1
14. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	10	9.56	June 24, 2009				8	2
15. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	10	9.56	December 15, 2009				8	2
16. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	11	9.58	June 14, 2010			1	8	2
17. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	11	9.58	December 27, 2010			1	8	2
18. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	12	9.60	June 27, 2011			2	8	2
19. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	12	9.60	January 02, 2012			2	8	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 82 (8-9/77, DC Comics)	Universal	12	9.60	July 02, 2012			2	8	2
21. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	December 31, 2012			3	8	2				1
22. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	June 22, 2013			3	8	2				1
23. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	December 31, 2013			3	8	2				1
24. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	July 01, 2014			3	8	2				1
25. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	December 30, 2014			3	8	2				1
26. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	June 30, 2015			3	8	2				1
27. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	December 29, 2015			3	8	2				1
28. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	June 28, 2016			3	8	2				1
29. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	December 27, 2016			3	8	2				1
30. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	16	9.53	June 27, 2017			4	9	2				1
31. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	16	9.53	January 02, 2018			4	9	2				1
32. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	20	9.55	July 03, 2018			6	10	3				1
33. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	20	9.55	January 01, 2019			6	10	3				1
34. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	20	9.55	July 02, 2019			6	10	3				1
35. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	20	9.55	December 31, 2019			6	10	3				1
36. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	20	9.55	June 30, 2020			6	10	3				1
37. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	December 29, 2020			7	11	3				1
38. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	June 29, 2021			7	11	3				1
39. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	December 28, 2021			7	11	3				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 82 (8-9/77, DC Comics)	Universal	22	9.56	June 28, 2022			7	11	3				1
41. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	December 27, 2022			7	11	3				1
42. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	June 27, 2023			7	11	3				1
43. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	22	9.56	December 31, 2023			7	11	3				1
44. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	24	9.58	August 12, 2025			8	12	3				1
45. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	24	9.58	August 19, 2025			8	12	3				1
46. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	August 26, 2025			4	6	3				1
47. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	14	9.50	September 02, 2025			4	6	3				1
48. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	24	9.58	September 09, 2025			8	12	3				1
49. Challengers of the Unknown 82 (8-9/77, DC Comics)	Universal	24	9.58	September 16, 2025			8	12	3				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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