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Worlds Unknown #6
	Marvel Comics, 4/74

Gerry Conway story		Adaptation of Theodore Sturgeon's
Dick Ayers & Ernie Chan art		"Killdozer!"
Gil Kane, Ernie Chan & John Romita cover

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. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	1	9.20	July 01, 2001						1
2. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	1	9.20	January 27, 2002						1
3. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	3	9.27	July 17, 2003					1	2
4. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	3	9.27	January 08, 2004					1	2
5. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	3	9.27	July 12, 2004					1	2
6. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	4	9.35	December 16, 2004				1	1	2
7. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	4	9.35	July 07, 2005				1	1	2
8. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	7	9.46	January 27, 2006			1	2	2	2
9. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	9	9.47	June 20, 2006			1	3	3	2
10. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	15	9.45	January 10, 2007			1	7	3	3	1
11. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	15	9.45	July 05, 2007			1	7	3	3	1
12. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	15	9.45	January 09, 2008			1	7	3	3	1
13. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	16	9.46	July 01, 2008			1	8	3	3	1
14. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	16	9.46	January 13, 2009			1	8	3	3	1
15. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	17	9.47	June 24, 2009			1	9	3	3	1
16. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	20	9.48	December 15, 2009			2	10	3	4	1
17. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	20	9.48	June 14, 2010			2	10	3	4	1
18. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	21	9.50	December 27, 2010			3	10	3	4	1
19. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	25	9.54	June 27, 2011			7	10	3	4	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. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	26	9.55	January 02, 2012			8	10	3	4	1
21. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	27	9.46	July 02, 2012			8	10	3	4	1				1
22. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	27	9.46	December 31, 2012			8	10	3	4	1				1
23. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	28	9.47	June 22, 2013			9	10	3	4	1				1
24. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	28	9.47	December 31, 2013			9	10	3	4	1				1
25. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	29	9.48	July 01, 2014			10	10	3	4	1				1
26. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	29	9.48	December 30, 2014			10	10	3	4	1				1
27. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	29	9.48	June 30, 2015			10	10	3	4	1				1
28. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	29	9.48	December 29, 2015			10	10	3	4	1				1
29. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	29	9.48	June 28, 2016			10	10	3	4	1				1
30. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	30	9.49	December 27, 2016			10	11	3	4	1				1
31. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	30	9.49	June 27, 2017			10	11	3	4	1				1
32. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	30	9.49	January 02, 2018			10	11	3	4	1				1
33. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	33	9.50	July 03, 2018			11	12	4	4	1				1
34. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	33	9.50	January 01, 2019			11	12	4	4	1				1
35. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	34	9.50	July 02, 2019			11	13	4	4	1				1
36. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	35	9.51	December 31, 2019			12	13	4	4	1				1
37. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	40	9.40	June 30, 2020			12	14	7	4	1				1			1
38. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	41	9.33	December 29, 2020			12	14	7	4	1				1	1		1
39. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	43	9.32	June 29, 2021			12	14	7	5	2				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
40. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	47	9.25	December 28, 2021			12	15	8	5	2			2	1	1		1
41. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	51	9.16	June 28, 2022			12	16	8	6	3			2	1	1		1		1
42. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	53	9.17	December 27, 2022			12	17	8	7	3			2	1	1		1		1
43. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	56	9.17	June 27, 2023			13	18	8	7	3		1	2	1	1		1		1
44. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	57	9.17	December 31, 2023			13	18	9	7	3		1	2	1	1		1		1
45. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	70	9.12	June 24, 2025			16	20	12	8	3	2	1	3	1	1		2		1
46. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	70	9.12	July 01, 2025			16	20	12	8	3	2	1	3	1	1		2		1
47. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	70	9.12	July 15, 2025			16	20	12	8	3	2	1	3	1	1		2		1
48. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	71	9.12	July 22, 2025			16	20	12	8	3	3	1	3	1	1		2		1
49. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	71	9.12	July 29, 2025			16	20	12	8	3	3	1	3	1	1		2		1
50. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	71	9.12	August 05, 2025			16	20	12	8	3	3	1	3	1	1		2		1
51. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	71	9.12	August 12, 2025			16	20	12	8	3	3	1	3	1	1		2		1
52. Worlds Unknown 6 (4/74, Marvel Comics)	Universal	71	9.12	August 19, 2025			16	20	12	8	3	3	1	3	1	1		2		1
53. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 01, 2008								1
54. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	January 13, 2009								1
55. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 24, 2009								1
56. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 15, 2009								1
57. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 14, 2010								1
58. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 27, 2010								1
59. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 27, 2011								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. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	January 02, 2012								1
61. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 02, 2012								1
62. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 31, 2012								1
63. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 22, 2013								1
64. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 31, 2013								1
65. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 01, 2014								1
66. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 30, 2014								1
67. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 30, 2015								1
68. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 29, 2015								1
69. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 28, 2016								1
70. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 27, 2016								1
71. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 27, 2017								1
72. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	January 02, 2018								1
73. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 03, 2018								1
74. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	January 01, 2019								1
75. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 02, 2019								1
76. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 31, 2019								1
77. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 30, 2020								1
78. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 29, 2020								1
79. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 29, 2021								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. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 28, 2021								1
81. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 28, 2022								1
82. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 27, 2022								1
83. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 27, 2023								1
84. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	December 31, 2023								1
85. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	June 24, 2025								1
86. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 01, 2025								1
87. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 15, 2025								1
88. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 22, 2025								1
89. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	July 29, 2025								1
90. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	August 05, 2025								1
91. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	August 12, 2025								1
92. Worlds Unknown 6 (4/74, Marvel Comics)	Signature	1	8.50	August 19, 2025								1

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