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Incredible Science Fiction #31
	E.C. Comics, 9-10/55

Jack Oleck story, Jack Davis cover		Roy Krenkel's only solo story for E.C.
Wally Wood, Bernard Krigstein,
Roy Krenkel and Al Williamson 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. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	3	7.30	July 01, 2001					1			1									1
2. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	6	7.55	January 27, 2002					2			1	1				1				1
3. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	11	8.02	July 17, 2003					3			4	2				1				1
4. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	12	7.93	January 08, 2004					3			4	2		1		1				1
5. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	12	7.93	July 12, 2004					3			4	2		1		1				1
6. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	13	7.71	December 16, 2004					3			4	2		1		1		1		1
7. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	13	7.72	July 07, 2005				1	2			4	2		1		1		1		1
8. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	14	7.84	January 27, 2006				1	3			4	2		1		1		1		1
9. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	14	7.84	June 20, 2006				1	3			4	2		1		1		1		1
10. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	14	7.84	January 10, 2007				1	3			4	2		1		1		1		1
11. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	15	7.79	July 05, 2007				1	3			4	2		2		1		1		1
12. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	16	7.86	January 09, 2008				1	3		1	4	2		2		1		1		1
13. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	17	7.95	July 01, 2008				1	4		1	4	2		2		1		1		1
14. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	17	7.95	January 13, 2009				1	4		1	4	2		2		1		1		1
15. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	17	7.95	June 24, 2009				1	4		1	4	2		2		1		1		1
16. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	18	7.82	December 15, 2009				1	4		1	4	2		2		1	1	1		1
17. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	18	7.82	June 14, 2010				1	4		1	4	2		2		1	1	1		1
18. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	18	7.82	December 27, 2010				1	4		1	4	2		2		1	1	1		1
19. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	18	7.82	June 27, 2011				1	4		1	4	2		2		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. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	19	7.88	January 02, 2012				1	4		2	4	2		2		1	1	1		1
21. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	19	7.88	July 02, 2012				1	4		2	4	2		2		1	1	1		1
22. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	21	7.91	December 31, 2012				1	5		2	4	2		3		1	1	1		1
23. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	22	7.82	June 22, 2013				1	5		2	4	2		3		2	1	1		1
24. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	23	7.83	December 31, 2013				1	5		2	4	3		3		2	1	1		1
25. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	July 01, 2014				1	5		3	4	3		3		2	1	1		1
26. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	December 30, 2014				1	5		3	4	3		3		2	1	1		1
27. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	June 30, 2015				1	5		3	4	3		3		2	1	1		1
28. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	December 29, 2015				1	5		3	4	3		3		2	1	1		1
29. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	June 28, 2016				1	5		3	4	3		3		2	1	1		1
30. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	24	7.88	December 27, 2016				1	5		3	4	3		3		2	1	1		1
31. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	25	7.80	June 27, 2017				1	5		3	4	3		3		3	1	1		1
32. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	26	7.58	January 02, 2018				1	5		3	4	3		3		3	1	1		1				1
33. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	28	7.40	July 03, 2018				1	5		3	4	3		3		3	1	3		1				1
34. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	30	7.29	January 01, 2019				1	5		3	4	3		4		3	1	3	1	1				1
35. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	32	7.11	July 02, 2019				1	5		3	4	3		4	1	3	1	3	1	1			1	1
36. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	35	6.92	December 31, 2019				1	5		3	4	3	1	4	1	3	1	3	1	2		1	1	1
37. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	38	6.67	June 30, 2020				1	5		3	4	3	1	4	1	3	1	4	2	2		1	1	2
38. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	41	6.47	December 29, 2020				1	5		3	4	3	1	4	1	3	1	4	3	3		2	1	2
39. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	45	6.35	June 29, 2021				1	5		3	4	3	2	4	1	3	2	4	4	3		3	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. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	48	6.23	December 28, 2021				1	5		3	4	3	2	4	1	3	4	4	4	3		3	2	2
41. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	51	6.10	June 28, 2022				1	5		3	4	3	2	4	1	3	4	4	5	4	1	3	2	2
42. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	55	5.93	December 27, 2022				1	5		3	4	3	2	4	1	4	4	5	5	4	1	4	2	2			1
43. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	58	5.80	June 27, 2023				1	5		3	4	3	2	4	1	4	4	5	5	5	2	5	2	2			1
44. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Universal	63	5.76	December 31, 2023				1	5		3	4	3	3	4	1	5	4	5	6	7	2	5	2	2			1
45. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	July 03, 2018															1		1
46. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	January 01, 2019															1		1
47. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	July 02, 2019															1		1
48. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	December 31, 2019															1		1
49. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	June 30, 2020															1		1
50. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	December 29, 2020															1		1
51. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	June 29, 2021															1		1
52. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	December 28, 2021															1		1
53. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	June 28, 2022															1		1
54. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	December 27, 2022															1		1
55. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	June 27, 2023															1		1
56. Incredible Science Fiction 31 (9-10/55, E.C. Comics)	Restored	2	4.50	December 31, 2023															1		1

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