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House of Mystery #173
	DC Comics, 3-4/68

Jack Miller story
Sal Trapani and Joe Certa art
Jack Sparling 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. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	July 01, 2001					1					1
2. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	January 27, 2002					1					1
3. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	July 17, 2003					1					1
4. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	January 08, 2004					1					1
5. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	July 12, 2004					1					1
6. House of Mystery 173 (3-4/68, DC Comics)	Universal	2	8.45	December 16, 2004					1					1
7. House of Mystery 173 (3-4/68, DC Comics)	Universal	3	7.97	July 07, 2005					1					1	1
8. House of Mystery 173 (3-4/68, DC Comics)	Universal	3	7.97	January 27, 2006					1					1	1
9. House of Mystery 173 (3-4/68, DC Comics)	Universal	4	8.10	June 20, 2006					1			1		1	1
10. House of Mystery 173 (3-4/68, DC Comics)	Universal	4	8.10	January 10, 2007					1			1		1	1
11. House of Mystery 173 (3-4/68, DC Comics)	Universal	5	8.40	July 05, 2007				1	1			1		1	1
12. House of Mystery 173 (3-4/68, DC Comics)	Universal	5	8.40	January 09, 2008				1	1			1		1	1
13. House of Mystery 173 (3-4/68, DC Comics)	Universal	5	8.40	July 01, 2008				1	1			1		1	1
14. House of Mystery 173 (3-4/68, DC Comics)	Universal	5	8.40	January 13, 2009				1	1			1		1	1
15. House of Mystery 173 (3-4/68, DC Comics)	Universal	5	8.40	June 24, 2009				1	1			1		1	1
16. House of Mystery 173 (3-4/68, DC Comics)	Universal	6	8.53	December 15, 2009				1	1	1		1		1	1
17. House of Mystery 173 (3-4/68, DC Comics)	Universal	7	8.17	June 14, 2010				1	1	1		1		1	1		1
18. House of Mystery 173 (3-4/68, DC Comics)	Universal	7	8.17	December 27, 2010				1	1	1		1		1	1		1
19. House of Mystery 173 (3-4/68, DC Comics)	Universal	8	8.35	June 27, 2011				2	1	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
20. House of Mystery 173 (3-4/68, DC Comics)	Universal	8	8.35	January 02, 2012				2	1	1		1		1	1		1
21. House of Mystery 173 (3-4/68, DC Comics)	Universal	9	8.44	July 02, 2012				2	1	2		1		1	1		1
22. House of Mystery 173 (3-4/68, DC Comics)	Universal	9	8.44	December 31, 2012				2	1	2		1		1	1		1
23. House of Mystery 173 (3-4/68, DC Comics)	Universal	10	8.54	June 22, 2013				2	2	2		1		1	1		1
24. House of Mystery 173 (3-4/68, DC Comics)	Universal	10	8.54	December 31, 2013				2	2	2		1		1	1		1
25. House of Mystery 173 (3-4/68, DC Comics)	Universal	11	8.62	July 01, 2014				2	3	2		1		1	1		1
26. House of Mystery 173 (3-4/68, DC Comics)	Universal	11	8.62	December 30, 2014				2	3	2		1		1	1		1
27. House of Mystery 173 (3-4/68, DC Comics)	Universal	13	8.56	June 30, 2015				2	3	2		2	1	1	1		1
28. House of Mystery 173 (3-4/68, DC Comics)	Universal	13	8.56	December 29, 2015				2	3	2		2	1	1	1		1
29. House of Mystery 173 (3-4/68, DC Comics)	Universal	13	8.56	June 28, 2016				2	3	2		2	1	1	1		1
30. House of Mystery 173 (3-4/68, DC Comics)	Universal	15	8.60	December 27, 2016				2	3	3		3	1	1	1		1
31. House of Mystery 173 (3-4/68, DC Comics)	Universal	15	8.60	June 27, 2017				2	3	3		3	1	1	1		1
32. House of Mystery 173 (3-4/68, DC Comics)	Universal	15	8.60	January 02, 2018				2	3	3		3	1	1	1		1
33. House of Mystery 173 (3-4/68, DC Comics)	Universal	15	8.60	July 03, 2018				2	3	3		3	1	1	1		1
34. House of Mystery 173 (3-4/68, DC Comics)	Universal	16	8.64	January 01, 2019				2	3	4		3	1	1	1		1
35. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	July 02, 2019				2	3	4	1	3	1	1	1		1
36. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	December 31, 2019				2	3	4	1	3	1	1	1		1
37. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	June 30, 2020				2	3	4	1	3	1	1	1		1
38. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	December 29, 2020				2	3	4	1	3	1	1	1		1
39. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	June 29, 2021				2	3	4	1	3	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
40. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	December 28, 2021				2	3	4	1	3	1	1	1		1
41. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	June 28, 2022				2	3	4	1	3	1	1	1		1
42. House of Mystery 173 (3-4/68, DC Comics)	Universal	17	8.66	December 27, 2022				2	3	4	1	3	1	1	1		1
43. House of Mystery 173 (3-4/68, DC Comics)	Universal	18	8.65	June 27, 2023				2	3	4	1	4	1	1	1		1
44. House of Mystery 173 (3-4/68, DC Comics)	Universal	19	8.59	December 31, 2023				2	3	4	1	4	1	2	1		1
45. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	June 24, 2025				2	3	4	2	4	1	2	1		1					1
46. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	July 01, 2025				2	3	4	2	4	1	2	1		1					1
47. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	July 15, 2025				2	3	4	2	4	1	2	1		1					1
48. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	July 22, 2025				2	3	4	2	4	1	2	1		1					1
49. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	July 29, 2025				2	3	4	2	4	1	2	1		1					1
50. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	August 05, 2025				2	3	4	2	4	1	2	1		1					1
51. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	August 12, 2025				2	3	4	2	4	1	2	1		1					1
52. House of Mystery 173 (3-4/68, DC Comics)	Universal	21	8.37	August 19, 2025				2	3	4	2	4	1	2	1		1					1
53. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 27, 2006								1
54. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 20, 2006								1
55. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 10, 2007								1
56. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 05, 2007								1
57. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 09, 2008								1
58. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 01, 2008								1
59. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 13, 2009								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. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 24, 2009								1
61. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 15, 2009								1
62. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 14, 2010								1
63. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 27, 2010								1
64. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 27, 2011								1
65. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 02, 2012								1
66. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 02, 2012								1
67. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 31, 2012								1
68. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 22, 2013								1
69. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 31, 2013								1
70. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 01, 2014								1
71. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 30, 2014								1
72. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 30, 2015								1
73. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 29, 2015								1
74. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 28, 2016								1
75. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 27, 2016								1
76. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 27, 2017								1
77. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 02, 2018								1
78. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 03, 2018								1
79. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	January 01, 2019								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. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 02, 2019								1
81. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 31, 2019								1
82. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 30, 2020								1
83. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 29, 2020								1
84. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 29, 2021								1
85. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 28, 2021								1
86. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 28, 2022								1
87. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 27, 2022								1
88. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 27, 2023								1
89. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	December 31, 2023								1
90. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	June 24, 2025								1
91. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 01, 2025								1
92. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 15, 2025								1
93. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 22, 2025								1
94. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	July 29, 2025								1
95. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	August 05, 2025								1
96. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	August 12, 2025								1
97. House of Mystery 173 (3-4/68, DC Comics)	Qualified	1	8.50	August 19, 2025								1

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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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