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Detective Comics #828
	DC Comics, 4/07

Paul Dini story		Riddler appearance.
Don Kramer & Wayne Faucher art		Sketch cover.
Simone Bianchi 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. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 24, 2009				1
2. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 15, 2009				1
3. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 14, 2010				1
4. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 27, 2010				1
5. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 27, 2011				1
6. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	January 02, 2012				1
7. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	July 02, 2012				1
8. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 31, 2012				1
9. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 22, 2013				1
10. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 31, 2013				1
11. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	July 01, 2014				1
12. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 30, 2014				1
13. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 30, 2015				1
14. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 29, 2015				1
15. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 28, 2016				1
16. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	December 27, 2016				1
17. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	June 27, 2017				1
18. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	January 02, 2018				1
19. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	July 03, 2018				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. Detective Comics 828 (4/07, DC Comics)	Universal	1	9.60	January 01, 2019				1
21. Detective Comics 828 (4/07, DC Comics)	Universal	9	9.58	July 02, 2019			3	2	4
22. Detective Comics 828 (4/07, DC Comics)	Universal	9	9.58	December 31, 2019			3	2	4
23. Detective Comics 828 (4/07, DC Comics)	Universal	10	9.60	June 30, 2020			4	2	4
24. Detective Comics 828 (4/07, DC Comics)	Universal	10	9.60	December 29, 2020			4	2	4
25. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	June 29, 2021			6	2	4
26. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	December 28, 2021			6	2	4
27. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	June 28, 2022			6	2	4
28. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	December 27, 2022			6	2	4
29. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	June 27, 2023			6	2	4
30. Detective Comics 828 (4/07, DC Comics)	Universal	12	9.63	December 31, 2023			6	2	4
31. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	June 24, 2025			6	4	4				1
32. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	July 01, 2025			6	4	4				1
33. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	July 15, 2025			6	4	4				1
34. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	July 22, 2025			6	4	4				1
35. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	July 29, 2025			6	4	4				1
36. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	August 05, 2025			6	4	4				1
37. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	August 12, 2025			6	4	4				1
38. Detective Comics 828 (4/07, DC Comics)	Universal	15	9.52	August 19, 2025			6	4	4				1
39. Detective Comics 828 (4/07, DC Comics)	Signature	6	9.47	July 05, 2007				2	4
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. Detective Comics 828 (4/07, DC Comics)	Signature	6	9.47	January 09, 2008				2	4
41. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	July 01, 2008			1	2	4
42. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	January 13, 2009			1	2	4
43. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	June 24, 2009			1	2	4
44. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	December 15, 2009			1	2	4
45. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	June 14, 2010			1	2	4
46. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	December 27, 2010			1	2	4
47. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	June 27, 2011			1	2	4
48. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	January 02, 2012			1	2	4
49. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	July 02, 2012			1	2	4
50. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	December 31, 2012			1	2	4
51. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	June 22, 2013			1	2	4
52. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	December 31, 2013			1	2	4
53. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	July 01, 2014			1	2	4
54. Detective Comics 828 (4/07, DC Comics)	Signature	7	9.51	December 30, 2014			1	2	4
55. Detective Comics 828 (4/07, DC Comics)	Signature	8	9.55	June 30, 2015			2	2	4
56. Detective Comics 828 (4/07, DC Comics)	Signature	8	9.55	December 29, 2015			2	2	4
57. Detective Comics 828 (4/07, DC Comics)	Signature	8	9.55	June 28, 2016			2	2	4
58. Detective Comics 828 (4/07, DC Comics)	Signature	8	9.55	December 27, 2016			2	2	4
59. Detective Comics 828 (4/07, DC Comics)	Signature	8	9.55	June 27, 2017			2	2	4
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. Detective Comics 828 (4/07, DC Comics)	Signature	9	9.53	January 02, 2018			2	2	5
61. Detective Comics 828 (4/07, DC Comics)	Signature	9	9.53	July 03, 2018			2	2	5
62. Detective Comics 828 (4/07, DC Comics)	Signature	9	9.53	January 01, 2019			2	2	5
63. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	July 02, 2019			3	2	5
64. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	December 31, 2019			3	2	5
65. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	June 30, 2020			3	2	5
66. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	December 29, 2020			3	2	5
67. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	June 29, 2021			3	2	5
68. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	December 28, 2021			3	2	5
69. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	June 28, 2022			3	2	5
70. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	December 27, 2022			3	2	5
71. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	June 27, 2023			3	2	5
72. Detective Comics 828 (4/07, DC Comics)	Signature	10	9.56	December 31, 2023			3	2	5
73. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	June 24, 2025			4	2	5
74. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	July 01, 2025			4	2	5
75. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	July 15, 2025			4	2	5
76. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	July 22, 2025			4	2	5
77. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	July 29, 2025			4	2	5
78. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	August 05, 2025			4	2	5
79. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	August 12, 2025			4	2	5
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. Detective Comics 828 (4/07, DC Comics)	Signature	11	9.58	August 19, 2025			4	2	5

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