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House of Mystery #12
	DC Comics, 3/53

Curt Swan cover and art
Leonard Starr, Ed Smalle and
George Klein 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. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	July 01, 2001								1
2. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	January 27, 2002								1
3. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	July 17, 2003								1
4. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	January 08, 2004								1
5. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	July 12, 2004								1
6. House of Mystery 12 (3/53, DC Comics)	Universal	1	8.50	December 16, 2004								1
7. House of Mystery 12 (3/53, DC Comics)	Universal	2	8.25	July 07, 2005								1	1
8. House of Mystery 12 (3/53, DC Comics)	Universal	2	8.25	January 27, 2006								1	1
9. House of Mystery 12 (3/53, DC Comics)	Universal	2	8.25	June 20, 2006								1	1
10. House of Mystery 12 (3/53, DC Comics)	Universal	2	8.25	January 10, 2007								1	1
11. House of Mystery 12 (3/53, DC Comics)	Universal	3	6.83	July 05, 2007								1	1								1
12. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	January 09, 2008								1	1		1						1
13. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	July 01, 2008								1	1		1						1
14. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	January 13, 2009								1	1		1						1
15. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	June 24, 2009								1	1		1						1
16. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	December 15, 2009								1	1		1						1
17. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	June 14, 2010								1	1		1						1
18. House of Mystery 12 (3/53, DC Comics)	Universal	4	6.88	December 27, 2010								1	1		1						1
19. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	June 27, 2011								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 12 (3/53, DC Comics)	Universal	5	6.60	January 02, 2012								1	1		1			1			1
21. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	July 02, 2012								1	1		1			1			1
22. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	December 31, 2012								1	1		1			1			1
23. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	June 22, 2013								1	1		1			1			1
24. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	December 31, 2013								1	1		1			1			1
25. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	July 01, 2014								1	1		1			1			1
26. House of Mystery 12 (3/53, DC Comics)	Universal	5	6.60	December 30, 2014								1	1		1			1			1
27. House of Mystery 12 (3/53, DC Comics)	Universal	6	6.58	June 30, 2015								1	1		1	1		1			1
28. House of Mystery 12 (3/53, DC Comics)	Universal	6	6.58	December 29, 2015								1	1		1	1		1			1
29. House of Mystery 12 (3/53, DC Comics)	Universal	6	6.58	June 28, 2016								1	1		1	1		1			1
30. House of Mystery 12 (3/53, DC Comics)	Universal	7	6.50	December 27, 2016								1	1		1	1	1	1			1
31. House of Mystery 12 (3/53, DC Comics)	Universal	8	6.13	June 27, 2017								1	1		1	1	1	1			1	1
32. House of Mystery 12 (3/53, DC Comics)	Universal	8	6.13	January 02, 2018								1	1		1	1	1	1			1	1
33. House of Mystery 12 (3/53, DC Comics)	Universal	8	6.13	July 03, 2018								1	1		1	1	1	1			1	1
34. House of Mystery 12 (3/53, DC Comics)	Universal	9	6.00	January 01, 2019								1	1		1	1	1	1	1		1	1
35. House of Mystery 12 (3/53, DC Comics)	Universal	9	6.00	July 02, 2019								1	1		1	1	1	1	1		1	1
36. House of Mystery 12 (3/53, DC Comics)	Universal	9	6.00	December 31, 2019								1	1		1	1	1	1	1		1	1
37. House of Mystery 12 (3/53, DC Comics)	Universal	11	6.32	June 30, 2020								2	1		2	1	1	1	1		1	1
38. House of Mystery 12 (3/53, DC Comics)	Universal	11	6.32	December 29, 2020								2	1		2	1	1	1	1		1	1
39. House of Mystery 12 (3/53, DC Comics)	Universal	12	6.04	June 29, 2021								2	1		2	1	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
40. House of Mystery 12 (3/53, DC Comics)	Universal	12	6.04	December 28, 2021								2	1		2	1	1	1	1		1	1	1
41. House of Mystery 12 (3/53, DC Comics)	Universal	12	6.04	June 28, 2022								2	1		2	1	1	1	1		1	1	1
42. House of Mystery 12 (3/53, DC Comics)	Universal	13	6.00	December 27, 2022								2	1		2	1	1	2	1		1	1	1
43. House of Mystery 12 (3/53, DC Comics)	Universal	13	6.00	June 27, 2023								2	1		2	1	1	2	1		1	1	1
44. House of Mystery 12 (3/53, DC Comics)	Universal	13	6.00	December 31, 2023								2	1		2	1	1	2	1		1	1	1
45. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	June 24, 2025								2	1		2	1	1	2	2	1	1	1	1
46. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	July 01, 2025								2	1		2	1	1	2	2	1	1	1	1
47. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	July 15, 2025								2	1		2	1	1	2	2	1	1	1	1
48. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	July 22, 2025								2	1		2	1	1	2	2	1	1	1	1
49. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	July 29, 2025								2	1		2	1	1	2	2	1	1	1	1
50. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	August 05, 2025								2	1		2	1	1	2	2	1	1	1	1
51. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	August 12, 2025								2	1		2	1	1	2	2	1	1	1	1
52. House of Mystery 12 (3/53, DC Comics)	Universal	15	5.83	August 19, 2025								2	1		2	1	1	2	2	1	1	1	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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