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Showcase #12
	DC Comics, 1-2/58

Dave Wood story		Challengers of the Unknown.
Jack Kirby and George Klein art
Jack Kirby and Marvin Stein 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. Showcase 12 (1-2/58, DC Comics)	Universal	4	7.30	July 01, 2001						1			1	1						1
2. Showcase 12 (1-2/58, DC Comics)	Universal	5	7.14	January 27, 2002						1			1	1		1				1
3. Showcase 12 (1-2/58, DC Comics)	Universal	10	5.97	July 17, 2003						1			1	1		2	1	1		1	1				1
4. Showcase 12 (1-2/58, DC Comics)	Universal	10	5.97	January 08, 2004						1			1	1		2	1	1		1	1				1
5. Showcase 12 (1-2/58, DC Comics)	Universal	11	5.88	July 12, 2004						1			1	1		2	1	1	1	1	1				1
6. Showcase 12 (1-2/58, DC Comics)	Universal	13	5.94	December 16, 2004						1		1	1	1		2	1	1	1	1	2				1
7. Showcase 12 (1-2/58, DC Comics)	Universal	14	6.04	July 07, 2005					1	1		1	1			2	1	2	1	1	2				1
8. Showcase 12 (1-2/58, DC Comics)	Universal	15	5.91	January 27, 2006					1	1		1	1			2	1	2	1	1	3				1
9. Showcase 12 (1-2/58, DC Comics)	Universal	18	5.53	June 20, 2006					1	1		1	1			2	1	2	1	1	4	2			1
10. Showcase 12 (1-2/58, DC Comics)	Universal	18	5.53	January 10, 2007					1	1		1	1			2	1	2	1	1	4	2			1
11. Showcase 12 (1-2/58, DC Comics)	Universal	19	5.35	July 05, 2007					1	1		1	1			2	1	2	1	1	4	2			2
12. Showcase 12 (1-2/58, DC Comics)	Universal	22	5.32	January 09, 2008					1	1		1	1			3	1	2	2	1	5	2			2
13. Showcase 12 (1-2/58, DC Comics)	Universal	22	5.32	July 01, 2008					1	1		1	1			3	1	2	2	1	5	2			2
14. Showcase 12 (1-2/58, DC Comics)	Universal	23	5.33	January 13, 2009					1	1		1	1			3	1	3	2	1	5	2			2
15. Showcase 12 (1-2/58, DC Comics)	Universal	25	5.26	June 24, 2009					1	1		1	1			3	1	3	3	1	6	2			2
16. Showcase 12 (1-2/58, DC Comics)	Universal	26	5.23	December 15, 2009					1	1		1	1			3	1	3	3	2	6	2			2
17. Showcase 12 (1-2/58, DC Comics)	Universal	28	5.22	June 14, 2010					1	1		1	1			3	1	4	3	3	6	2			2
18. Showcase 12 (1-2/58, DC Comics)	Universal	29	5.14	December 27, 2010					1	1		1	1			3	1	4	3	3	6	2	1		2
19. Showcase 12 (1-2/58, DC Comics)	Universal	29	5.14	June 27, 2011					1	1		1	1			3	1	4	3	3	6	2	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
20. Showcase 12 (1-2/58, DC Comics)	Universal	32	5.03	January 02, 2012					1	1		1	1			3	1	5	3	4	6	2	1		3
21. Showcase 12 (1-2/58, DC Comics)	Universal	36	5.03	July 02, 2012					1	1		1	1		1	3	1	5	4	5	6	3	1		3
22. Showcase 12 (1-2/58, DC Comics)	Universal	37	4.98	December 31, 2012					1	1		1	1		1	3	1	5	4	5	6	3	2		3
23. Showcase 12 (1-2/58, DC Comics)	Universal	41	5.10	June 22, 2013					1	1		1	1		2	5	1	5	5	5	6	3	2		3
24. Showcase 12 (1-2/58, DC Comics)	Universal	45	4.97	December 31, 2013					1	1		1	1		2	5	1	6	5	5	7	4	2		3		1
25. Showcase 12 (1-2/58, DC Comics)	Universal	48	5.02	July 01, 2014					1	1		1	2		2	6	1	6	5	5	7	4	3		3		1
26. Showcase 12 (1-2/58, DC Comics)	Universal	52	5.03	December 30, 2014					1	1		1	2	1	2	6	1	6	6	6	7	5	3		3		1
27. Showcase 12 (1-2/58, DC Comics)	Universal	53	5.05	June 30, 2015					1	1		1	2	1	2	6	2	6	6	6	7	5	3		3		1
28. Showcase 12 (1-2/58, DC Comics)	Universal	55	5.07	December 29, 2015					1	1		2	2	1	2	6	2	6	6	6	7	5	4		3		1
29. Showcase 12 (1-2/58, DC Comics)	Universal	57	5.08	June 28, 2016					1	1		2	2	1	2	7	2	6	6	6	8	5	4		3		1
30. Showcase 12 (1-2/58, DC Comics)	Universal	61	5.08	December 27, 2016					1	1	1	2	2	1	2	7	2	6	7	6	9	5	4	1	3		1
31. Showcase 12 (1-2/58, DC Comics)	Universal	63	5.10	June 27, 2017					1	1	1	2	2	1	2	7	3	7	7	6	9	5	4	1	3		1
32. Showcase 12 (1-2/58, DC Comics)	Universal	63	5.10	January 02, 2018					1	1	1	2	2	1	2	7	3	7	7	6	9	5	4	1	3		1
33. Showcase 12 (1-2/58, DC Comics)	Universal	65	5.10	July 03, 2018					1	1	1	2	2	2	2	7	3	7	7	6	9	5	4	2	3		1
34. Showcase 12 (1-2/58, DC Comics)	Universal	71	5.09	January 01, 2019					1	1	1	2	3	4	2	7	3	7	7	6	9	6	4	3	3		1	1
35. Showcase 12 (1-2/58, DC Comics)	Universal	74	5.12	July 02, 2019					1	1	1	2	3	4	4	7	3	7	7	6	9	7	4	3	3		1	1
36. Showcase 12 (1-2/58, DC Comics)	Universal	77	5.11	December 31, 2019					1	1	1	2	3	4	4	7	5	7	7	6	9	7	4	3	4		1	1
37. Showcase 12 (1-2/58, DC Comics)	Universal	80	5.07	June 30, 2020					1	1	1	2	3	4	4	7	5	7	8	7	9	7	5	3	4		1	1
38. Showcase 12 (1-2/58, DC Comics)	Universal	83	5.07	December 29, 2020					1	1	1	2	3	5	4	7	5	7	9	7	9	7	6	3	4		1	1
39. Showcase 12 (1-2/58, DC Comics)	Universal	85	5.08	June 29, 2021					1	1	1	2	3	5	4	7	6	7	9	8	9	7	6	3	4		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. Showcase 12 (1-2/58, DC Comics)	Universal	89	5.01	December 28, 2021					1	1	1	2	3	5	4	8	6	8	9	8	9	7	6	3	4		1	3
41. Showcase 12 (1-2/58, DC Comics)	Universal	93	4.98	June 28, 2022					1	1	1	2	3	5	4	8	7	8	10	8	9	9	6	3	4		1	3
42. Showcase 12 (1-2/58, DC Comics)	Universal	97	4.92	December 27, 2022					1	1	1	2	3	5	4	9	7	8	10	9	9	9	6	3	4	1	1	4
43. Showcase 12 (1-2/58, DC Comics)	Universal	103	4.88	June 27, 2023					1	1	1	3	3	5	4	9	7	8	11	9	11	9	6	3	5	2	1	4
44. Showcase 12 (1-2/58, DC Comics)	Universal	106	4.91	December 31, 2023					1	1	1	3	3	7	4	9	7	8	11	9	11	9	7	3	5	2	1	4
45. Showcase 12 (1-2/58, DC Comics)	Universal	119	4.99	June 24, 2025					1	1	1	4	4	7	5	11	8	9	13	9	13	11	7	3	5	2	1	4
46. Showcase 12 (1-2/58, DC Comics)	Universal	119	4.99	July 01, 2025					1	1	1	4	4	7	5	11	8	9	13	9	13	11	7	3	5	2	1	4
47. Showcase 12 (1-2/58, DC Comics)	Universal	119	4.99	July 15, 2025					1	1	1	4	4	7	5	11	8	9	13	9	13	11	7	3	5	2	1	4
48. Showcase 12 (1-2/58, DC Comics)	Universal	120	4.99	July 22, 2025					1	1	1	4	4	7	5	11	8	10	13	9	13	11	7	3	5	2	1	4
49. Showcase 12 (1-2/58, DC Comics)	Universal	120	4.99	July 29, 2025					1	1	1	4	4	7	5	11	8	10	13	9	13	11	7	3	5	2	1	4
50. Showcase 12 (1-2/58, DC Comics)	Universal	121	5.01	August 05, 2025					1	1	1	4	4	7	6	11	8	10	13	9	13	11	7	3	5	2	1	4
51. Showcase 12 (1-2/58, DC Comics)	Universal	121	5.01	August 12, 2025					1	1	1	4	4	7	6	11	8	10	13	9	13	11	7	3	5	2	1	4
52. Showcase 12 (1-2/58, DC Comics)	Universal	121	5.01	August 19, 2025					1	1	1	4	4	7	6	11	8	10	13	9	13	11	7	3	5	2	1	4
53. Showcase 12 (1-2/58, DC Comics)	Restored	1	3.50	July 17, 2003																		1
54. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.75	January 08, 2004									1									1
55. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.75	July 12, 2004									1									1
56. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.75	December 16, 2004									1									1
57. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.75	July 07, 2005									1									1
58. Showcase 12 (1-2/58, DC Comics)	Restored	3	4.83	January 27, 2006									1									1	1
59. Showcase 12 (1-2/58, DC Comics)	Restored	3	4.83	June 20, 2006									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. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	January 10, 2007									1										1
61. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	July 05, 2007									1										1
62. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	January 09, 2008									1										1
63. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	July 01, 2008									1										1
64. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	January 13, 2009									1										1
65. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	June 24, 2009									1										1
66. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	December 15, 2009									1										1
67. Showcase 12 (1-2/58, DC Comics)	Restored	2	5.50	June 14, 2010									1										1
68. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 27, 2010									1			1							1
69. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	June 27, 2011									1			1							1
70. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	January 02, 2012									1			1							1
71. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	July 02, 2012									1			1							1
72. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 31, 2012									1			1							1
73. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	June 22, 2013									1			1							1
74. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 31, 2013									1			1							1
75. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	July 01, 2014									1			1							1
76. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 30, 2014									1			1							1
77. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	June 30, 2015									1			1							1
78. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 29, 2015									1			1							1
79. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	June 28, 2016									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
80. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	December 27, 2016									1			1							1
81. Showcase 12 (1-2/58, DC Comics)	Restored	3	5.83	June 27, 2017									1			1							1
82. Showcase 12 (1-2/58, DC Comics)	Restored	4	5.63	January 02, 2018									1			1			1				1
83. Showcase 12 (1-2/58, DC Comics)	Restored	6	5.33	July 03, 2018									1			2			1				2
84. Showcase 12 (1-2/58, DC Comics)	Restored	6	5.33	January 01, 2019									1			2			1				2
85. Showcase 12 (1-2/58, DC Comics)	Restored	7	5.14	July 02, 2019									1			2			1		1		2
86. Showcase 12 (1-2/58, DC Comics)	Restored	7	5.14	December 31, 2019									1			2			1		1		2
87. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	June 30, 2020									1			2			1		1		3
88. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	December 29, 2020									1			2			1		1		3
89. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	June 29, 2021									1			2			1		1		3
90. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	December 28, 2021									1			2			1		1		3
91. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	June 28, 2022									1			2			1		1		3
92. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	December 27, 2022									1			2			1		1		3
93. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	June 27, 2023									1			2			1		1		3
94. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	December 31, 2023									1			2			1		1		3
95. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	June 24, 2025									1			2			1		1		3
96. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	July 01, 2025									1			2			1		1		3
97. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	July 15, 2025									1			2			1		1		3
98. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	July 22, 2025									1			2			1		1		3
99. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	July 29, 2025									1			2			1		1		3
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
100. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	August 05, 2025									1			2			1		1		3
101. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	August 12, 2025									1			2			1		1		3
102. Showcase 12 (1-2/58, DC Comics)	Restored	8	4.88	August 19, 2025									1			2			1		1		3

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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 August 19, 2025.
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