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Showcase #18
	DC Comics, 1-2/59

Gardner Fox stories, Mike Sekowsky,		Adventures on Other Worlds.
Bernard Sachs and Joe Giella art		2nd appearance of Adam Strange
Gil Kane and Bernard Sachs cover		and Alanna.

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 18 (1-2/59, DC Comics)	Universal	9	7.19	July 01, 2001						1	1	1	2	1		1					2
2. Showcase 18 (1-2/59, DC Comics)	Universal	11	6.84	January 27, 2002						1	1	1	2	1		1	1			1	2
3. Showcase 18 (1-2/59, DC Comics)	Universal	17	6.85	July 17, 2003						2	1	1	2	2	1	2	2		1	1	2
4. Showcase 18 (1-2/59, DC Comics)	Universal	17	6.85	January 08, 2004						2	1	1	2	2	1	2	2		1	1	2
5. Showcase 18 (1-2/59, DC Comics)	Universal	18	6.88	July 12, 2004						2	1	1	2	3	1	2	2		1	1	2
6. Showcase 18 (1-2/59, DC Comics)	Universal	18	6.88	December 16, 2004						2	1	1	2	3	1	2	2		1	1	2
7. Showcase 18 (1-2/59, DC Comics)	Universal	19	6.71	July 07, 2005						2	1	1	2	3	1	2	2		1	1	2	1
8. Showcase 18 (1-2/59, DC Comics)	Universal	21	6.57	January 27, 2006						2	1	1	2	3	1	3	2		1	1	3	1
9. Showcase 18 (1-2/59, DC Comics)	Universal	22	6.50	June 20, 2006						2	1	1	2	3	1	3	2		2	1	3	1
10. Showcase 18 (1-2/59, DC Comics)	Universal	23	6.43	January 10, 2007						2	1	1	2	3	1	3	2		3	1	3	1
11. Showcase 18 (1-2/59, DC Comics)	Universal	24	6.52	July 05, 2007						2	1	2	2	3	1	3	2		3	1	3	1
12. Showcase 18 (1-2/59, DC Comics)	Universal	26	6.44	January 09, 2008						2	1	2	2	3	1	3	3		4	1	3	1
13. Showcase 18 (1-2/59, DC Comics)	Universal	27	6.44	July 01, 2008						2	1	2	2	3	1	4	3		4	1	3	1
14. Showcase 18 (1-2/59, DC Comics)	Universal	29	6.46	January 13, 2009						2	1	2	2	4	1	4	4		4	1	3	1
15. Showcase 18 (1-2/59, DC Comics)	Universal	29	6.48	June 24, 2009						2	1	3	1	4	1	4	4		4	1	3	1
16. Showcase 18 (1-2/59, DC Comics)	Universal	32	6.25	December 15, 2009						2	1	3	1	4	1	4	4		5	1	4	1	1
17. Showcase 18 (1-2/59, DC Comics)	Universal	36	6.14	June 14, 2010						2	1	3	1	4	1	5	5		6	1	4	2	1
18. Showcase 18 (1-2/59, DC Comics)	Universal	39	6.06	December 27, 2010						2	1	3	1	4	1	5	7		6	1	4	3	1
19. Showcase 18 (1-2/59, DC Comics)	Universal	42	6.00	June 27, 2011						2	1	3	1	4	2	5	7		6	2	5	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
20. Showcase 18 (1-2/59, DC Comics)	Universal	44	6.03	January 02, 2012						2	1	3	1	4	3	6	7		6	2	5	3	1
21. Showcase 18 (1-2/59, DC Comics)	Universal	49	6.13	July 02, 2012						2	3	4	1	4	3	6	7	1	6	2	5	3	2
22. Showcase 18 (1-2/59, DC Comics)	Universal	52	6.05	December 31, 2012						2	3	4	1	4	3	6	8	1	6	3	5	4	2
23. Showcase 18 (1-2/59, DC Comics)	Universal	55	6.03	June 22, 2013						2	3	4	1	4	3	7	9	1	6	4	5	4	2
24. Showcase 18 (1-2/59, DC Comics)	Universal	55	6.03	December 31, 2013						2	3	4	1	4	3	7	9	1	6	4	5	4	2
25. Showcase 18 (1-2/59, DC Comics)	Universal	60	6.08	July 01, 2014						3	3	4	1	5	3	8	10	1	6	4	6	4	2
26. Showcase 18 (1-2/59, DC Comics)	Universal	65	6.03	December 30, 2014						3	3	4	1	5	4	9	10	1	7	6	6	4	2
27. Showcase 18 (1-2/59, DC Comics)	Universal	68	5.99	June 30, 2015						3	3	4	1	5	4	9	12	1	7	6	6	4	3
28. Showcase 18 (1-2/59, DC Comics)	Universal	70	5.97	December 29, 2015						3	3	4	1	5	4	9	13	1	8	6	6	4	3
29. Showcase 18 (1-2/59, DC Comics)	Universal	72	5.97	June 28, 2016						3	3	4	2	5	4	9	13	1	8	6	7	4	3
30. Showcase 18 (1-2/59, DC Comics)	Universal	75	5.97	December 27, 2016						3	3	4	2	5	4	11	13	1	8	7	7	4	3
31. Showcase 18 (1-2/59, DC Comics)	Universal	82	6.04	June 27, 2017						3	4	4	3	7	4	11	13	3	8	8	7	4	3
32. Showcase 18 (1-2/59, DC Comics)	Universal	87	5.96	January 02, 2018						3	4	4	3	7	4	11	15	3	8	9	8	4	4
33. Showcase 18 (1-2/59, DC Comics)	Universal	90	5.95	July 03, 2018						3	4	4	3	7	4	12	15	3	10	9	8	4	4
34. Showcase 18 (1-2/59, DC Comics)	Universal	93	5.94	January 01, 2019						3	4	4	3	8	4	12	15	4	10	10	8	4	4
35. Showcase 18 (1-2/59, DC Comics)	Universal	94	5.91	July 02, 2019						3	4	4	3	8	4	12	15	4	10	10	8	4	5
36. Showcase 18 (1-2/59, DC Comics)	Universal	98	5.90	December 31, 2019						3	4	4	3	9	5	12	15	4	11	10	8	4	6
37. Showcase 18 (1-2/59, DC Comics)	Universal	104	5.82	June 30, 2020						3	4	4	3	9	5	12	15	6	11	12	9	5	6
38. Showcase 18 (1-2/59, DC Comics)	Universal	107	5.79	December 29, 2020						3	3	5	3	9	5	12	15	7	12	12	10	5	6
39. Showcase 18 (1-2/59, DC Comics)	Universal	114	5.70	June 29, 2021						3	3	5	3	9	5	14	15	8	12	14	10	5	6	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 18 (1-2/59, DC Comics)	Universal	117	5.71	December 28, 2021						3	3	5	3	10	5	15	15	8	12	15	10	5	6	1					1
41. Showcase 18 (1-2/59, DC Comics)	Universal	121	5.73	June 28, 2022						3	3	5	3	11	6	15	15	9	13	15	10	5	6	1					1
42. Showcase 18 (1-2/59, DC Comics)	Universal	132	5.60	December 27, 2022						3	3	5	3	11	7	16	15	9	14	15	13	7	7	3					1
43. Showcase 18 (1-2/59, DC Comics)	Universal	136	5.54	June 27, 2023						3	3	5	3	11	7	16	15	9	15	16	14	7	7	3			1		1
44. Showcase 18 (1-2/59, DC Comics)	Universal	141	5.53	December 31, 2023						3	3	5	3	11	7	16	16	10	16	18	14	7	7	3			1		1
45. Showcase 18 (1-2/59, DC Comics)	Universal	157	5.56	June 24, 2025						3	3	6	5	11	7	18	17	13	20	20	15	7	7	3			1		1
46. Showcase 18 (1-2/59, DC Comics)	Universal	158	5.57	July 01, 2025						3	3	6	5	12	7	18	17	13	20	20	15	7	7	3			1		1
47. Showcase 18 (1-2/59, DC Comics)	Universal	157	5.56	July 15, 2025						3	3	6	5	11	7	18	17	13	20	20	15	7	7	3			1		1
48. Showcase 18 (1-2/59, DC Comics)	Universal	160	5.55	July 22, 2025						3	3	6	5	12	7	18	17	13	20	20	17	7	7	3			1		1
49. Showcase 18 (1-2/59, DC Comics)	Universal	160	5.55	July 29, 2025						3	3	6	5	12	7	18	17	13	20	20	17	7	7	3			1		1
50. Showcase 18 (1-2/59, DC Comics)	Universal	160	5.55	August 05, 2025						3	3	6	5	12	7	18	17	13	20	20	17	7	7	3			1		1
51. Showcase 18 (1-2/59, DC Comics)	Universal	160	5.55	August 12, 2025						3	3	6	5	12	7	18	17	13	20	20	17	7	7	3			1		1
52. Showcase 18 (1-2/59, DC Comics)	Universal	161	5.56	August 19, 2025						3	3	6	5	12	7	19	17	13	20	20	17	7	7	3			1		1
53. Showcase 18 (1-2/59, DC Comics)	Restored	1	3.00	June 14, 2010																			1
54. Showcase 18 (1-2/59, DC Comics)	Restored	1	3.00	December 27, 2010																			1
55. Showcase 18 (1-2/59, DC Comics)	Restored	2	3.00	June 27, 2011																			2
56. Showcase 18 (1-2/59, DC Comics)	Restored	2	3.00	January 02, 2012																			2
57. Showcase 18 (1-2/59, DC Comics)	Restored	2	3.00	July 02, 2012																			2
58. Showcase 18 (1-2/59, DC Comics)	Restored	2	3.00	December 31, 2012																			2
59. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	June 22, 2013																			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
60. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	December 31, 2013																			2	1
61. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	July 01, 2014																			2	1
62. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	December 30, 2014																			2	1
63. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	June 30, 2015																			2	1
64. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	December 29, 2015																			2	1
65. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	June 28, 2016																			2	1
66. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	December 27, 2016																			2	1
67. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	June 27, 2017																			2	1
68. Showcase 18 (1-2/59, DC Comics)	Restored	3	2.83	January 02, 2018																			2	1
69. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	July 03, 2018													1					1	2	1
70. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	January 01, 2019													1					1	2	1
71. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	July 02, 2019													1					1	2	1
72. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	December 31, 2019													1					1	2	1
73. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	June 30, 2020													1					1	2	1
74. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	December 29, 2020													1					1	2	1
75. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	June 29, 2021													1					1	2	1
76. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	December 28, 2021													1					1	2	1
77. Showcase 18 (1-2/59, DC Comics)	Restored	5	3.60	June 28, 2022													1					1	2	1
78. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	December 27, 2022											1		1					1	2	1
79. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	June 27, 2023											1		1					1	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
80. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	December 31, 2023											1		1					1	2	1
81. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	June 24, 2025											1		1					1	2	1
82. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	July 01, 2025											1		1					1	2	1
83. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	July 15, 2025											1		1					1	2	1
84. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	July 22, 2025											1		1					1	2	1
85. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	July 29, 2025											1		1					1	2	1
86. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	August 05, 2025											1		1					1	2	1
87. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	August 12, 2025											1		1					1	2	1
88. Showcase 18 (1-2/59, DC Comics)	Restored	6	4.17	August 19, 2025											1		1					1	2	1
89. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	June 28, 2016							1
90. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	December 27, 2016							1
91. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	June 27, 2017							1
92. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	January 02, 2018							1
93. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	July 03, 2018							1
94. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	January 01, 2019							1
95. Showcase 18 (1-2/59, DC Comics)	Qualified	1	9.00	July 02, 2019							1
96. Showcase 18 (1-2/59, DC Comics)	Qualified	2	9.00	December 31, 2019							2
97. Showcase 18 (1-2/59, DC Comics)	Qualified	2	9.00	June 30, 2020							2
98. Showcase 18 (1-2/59, DC Comics)	Qualified	2	9.00	December 29, 2020							2
99. Showcase 18 (1-2/59, DC Comics)	Qualified	2	9.00	June 29, 2021							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
100. Showcase 18 (1-2/59, DC Comics)	Qualified	3	7.17	December 28, 2021							2											1
101. Showcase 18 (1-2/59, DC Comics)	Qualified	3	7.17	June 28, 2022							2											1
102. Showcase 18 (1-2/59, DC Comics)	Qualified	3	7.17	December 27, 2022							2											1
103. Showcase 18 (1-2/59, DC Comics)	Qualified	3	7.17	June 27, 2023							2											1
104. Showcase 18 (1-2/59, DC Comics)	Qualified	3	7.17	December 31, 2023							2											1
105. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	June 24, 2025							1											1
106. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	July 01, 2025							1											1
107. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	July 15, 2025							1											1
108. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	July 22, 2025							1											1
109. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	July 29, 2025							1											1
110. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	August 05, 2025							1											1
111. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	August 12, 2025							1											1
112. Showcase 18 (1-2/59, DC Comics)	Qualified	2	6.25	August 19, 2025							1											1

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