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Unknown Worlds of Science Fiction #1
	Marvel Comics, 1/75

Wally Wood story, Frank Kelly Freas cover		Ray Bradbury & Kelly Freas interviews.
Colan, Brunner, Adams, Williamson & Kaluta art		Esteban Maroto frontispiece.

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. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	4	9.13	January 08, 2004					2	1		1
2. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	7	9.27	July 12, 2004				2	2	2		1
3. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	9	9.28	December 16, 2004				2	3	3		1
4. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	16	9.42	July 07, 2005			2	5	5	3		1
5. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	19	9.42	January 27, 2006			2	6	6	4		1
6. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	20	9.43	June 20, 2006			2	7	6	4		1
7. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	22	9.46	January 10, 2007			4	7	6	4		1
8. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	23	9.46	July 05, 2007			4	7	7	4		1
9. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	28	9.48	January 09, 2008			6	7	10	4		1
10. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	29	9.47	July 01, 2008			6	7	10	5		1
11. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	29	9.47	January 13, 2009			6	7	10	5		1
12. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	33	9.46	June 24, 2009			8	8	10	5		2
13. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	33	9.46	December 15, 2009			8	8	10	5		2
14. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	33	9.46	June 14, 2010			8	8	10	5		2
15. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	33	9.46	December 27, 2010			8	8	10	5		2
16. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	34	9.47	June 27, 2011			9	8	10	5		2
17. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	36	9.48	January 02, 2012			10	8	11	5		2
18. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	37	9.48	July 02, 2012			10	8	12	5		2
19. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	37	9.48	December 31, 2012			10	8	12	5		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. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	37	9.48	June 22, 2013			10	8	12	5		2
21. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	41	9.48	December 31, 2013			12	8	12	7		2
22. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	42	9.49	July 01, 2014			13	8	12	7		2
23. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	43	9.44	December 30, 2014			13	8	12	7		2		1
24. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	44	9.44	June 30, 2015			13	9	12	7		2		1
25. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	45	9.45	December 29, 2015			13	10	12	7		2		1
26. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	50	9.46	June 28, 2016			16	10	12	9		2		1
27. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	57	9.48	December 27, 2016			21	10	13	10		2		1
28. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	58	9.48	June 27, 2017			21	11	13	10		2		1
29. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	59	9.47	January 02, 2018			20	12	13	10	1	2		1
30. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	60	9.43	July 03, 2018			20	12	13	10	1	2		1	1
31. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	65	9.44	January 01, 2019			22	14	13	11	1	2		1	1
32. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	66	9.45	July 02, 2019			23	14	13	11	1	2		1	1
33. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	67	9.46	December 31, 2019			24	14	13	11	1	2		1	1
34. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	70	9.46	June 30, 2020			26	14	14	11	1	2		1	1
35. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	71	9.47	December 29, 2020			26	15	14	11	1	2		1	1
36. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	71	9.47	June 29, 2021			26	15	14	11	1	2		1	1
37. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	73	9.43	December 28, 2021			26	15	14	11	2	2		2	1
38. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	74	9.43	June 28, 2022			26	15	15	11	2	2		2	1
39. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	74	9.43	December 27, 2022			26	15	15	11	2	2		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. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	85	9.23	June 27, 2023			27	16	16	11	3	2	1	4	3		1	1
41. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	92	9.16	December 31, 2023			27	18	17	11	6	2	1	4	3		1	1					1
42. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	103	9.10	September 02, 2025			27	16	20	17	7	2	3	3	4		1	2					1
43. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	118	9.09	September 09, 2025			27	23	21	18	7	7	3	4	4		1	2					1
44. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Universal	118	9.09	September 16, 2025			27	23	21	18	7	7	3	4	4		1	2					1
45. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	1	9.80	January 02, 2018			1
46. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	1	9.80	July 03, 2018			1
47. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	1	9.80	January 01, 2019			1
48. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	1	9.80	July 02, 2019			1
49. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	2	7.90	December 31, 2019			1										1
50. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	2	7.90	June 30, 2020			1										1
51. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	2	7.90	December 29, 2020			1										1
52. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	3	7.93	June 29, 2021			1						1				1
53. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	3	7.93	December 28, 2021			1						1				1
54. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	3	7.93	June 28, 2022			1						1				1
55. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	4	7.70	December 27, 2022			1						1		1		1
56. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	4	7.70	June 27, 2023			1						1		1		1
57. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	4	7.70	December 31, 2023			1						1		1		1
58. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	3	8.93	September 02, 2025			1				1		1
59. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	5	7.96	September 09, 2025			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
60. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Signature	5	7.96	September 16, 2025			1				1		1		1		1
61. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Restored	1	5.00	June 27, 2023															1
62. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Restored	1	5.00	December 31, 2023															1
63. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Restored	1	5.00	September 09, 2025															1
64. Unknown Worlds of Science Fiction 1 (1/75, Marvel Comics)	Restored	1	5.00	September 16, 2025															1

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