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Detective Comics #623
	DC Comics, 11/90

John Ostrander story		Joker appearance.
Flint Henry & Mike McKone art
Dick Sprang 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 623 (11/90, DC Comics)	Universal	3	9.60	January 08, 2004				3
2. Detective Comics 623 (11/90, DC Comics)	Universal	4	9.60	July 12, 2004				4
3. Detective Comics 623 (11/90, DC Comics)	Universal	4	9.60	December 16, 2004				4
4. Detective Comics 623 (11/90, DC Comics)	Universal	4	9.60	July 07, 2005				4
5. Detective Comics 623 (11/90, DC Comics)	Universal	5	9.60	January 27, 2006				5
6. Detective Comics 623 (11/90, DC Comics)	Universal	5	9.60	June 20, 2006				5
7. Detective Comics 623 (11/90, DC Comics)	Universal	5	9.60	January 10, 2007				5
8. Detective Comics 623 (11/90, DC Comics)	Universal	5	9.60	July 05, 2007				5
9. Detective Comics 623 (11/90, DC Comics)	Universal	6	9.60	January 09, 2008				6
10. Detective Comics 623 (11/90, DC Comics)	Universal	6	9.60	July 01, 2008				6
11. Detective Comics 623 (11/90, DC Comics)	Universal	6	9.60	January 13, 2009				6
12. Detective Comics 623 (11/90, DC Comics)	Universal	6	9.60	June 24, 2009				6
13. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 15, 2009			1	6	1
14. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	June 14, 2010			1	6	1
15. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 27, 2010			1	6	1
16. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	June 27, 2011			1	6	1
17. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	January 02, 2012			1	6	1
18. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	July 02, 2012			1	6	1
19. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 31, 2012			1	6	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 623 (11/90, DC Comics)	Universal	8	9.60	June 22, 2013			1	6	1
21. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 31, 2013			1	6	1
22. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	July 01, 2014			1	6	1
23. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 30, 2014			1	6	1
24. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	June 30, 2015			1	6	1
25. Detective Comics 623 (11/90, DC Comics)	Universal	8	9.60	December 29, 2015			1	6	1
26. Detective Comics 623 (11/90, DC Comics)	Universal	9	9.09	June 28, 2016			1	6	1										1
27. Detective Comics 623 (11/90, DC Comics)	Universal	9	9.09	December 27, 2016			1	6	1										1
28. Detective Comics 623 (11/90, DC Comics)	Universal	10	9.16	June 27, 2017			2	6	1										1
29. Detective Comics 623 (11/90, DC Comics)	Universal	10	9.16	January 02, 2018			2	6	1										1
30. Detective Comics 623 (11/90, DC Comics)	Universal	10	9.16	July 03, 2018			2	6	1										1
31. Detective Comics 623 (11/90, DC Comics)	Universal	11	9.18	January 01, 2019			2	6	2										1
32. Detective Comics 623 (11/90, DC Comics)	Universal	12	9.08	July 02, 2019			2	6	2				1						1
33. Detective Comics 623 (11/90, DC Comics)	Universal	13	9.12	December 31, 2019			2	7	2				1						1
34. Detective Comics 623 (11/90, DC Comics)	Universal	14	9.13	June 30, 2020			2	7	2	1			1						1
35. Detective Comics 623 (11/90, DC Comics)	Universal	17	9.21	December 29, 2020			2	10	2	1			1						1
36. Detective Comics 623 (11/90, DC Comics)	Universal	17	9.21	June 29, 2021			2	10	2	1			1						1
37. Detective Comics 623 (11/90, DC Comics)	Universal	22	8.81	December 28, 2021			2	11	3	1		1	2						1							1
38. Detective Comics 623 (11/90, DC Comics)	Universal	28	8.81	June 28, 2022			2	12	3	5		1	2			1			1							1
39. Detective Comics 623 (11/90, DC Comics)	Universal	29	8.80	December 27, 2022			2	12	3	5		2	2			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. Detective Comics 623 (11/90, DC Comics)	Universal	30	8.81	June 27, 2023			2	12	3	5	1	2	2			1			1							1
41. Detective Comics 623 (11/90, DC Comics)	Universal	31	8.84	December 31, 2023			2	13	3	5	1	2	2			1			1							1
42. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	June 24, 2025			2	13	4	5	2	2	2			1			1							1
43. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	July 01, 2025			2	13	4	5	2	2	2			1			1							1
44. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	July 15, 2025			2	13	4	5	2	2	2			1			1							1
45. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	July 22, 2025			2	13	4	5	2	2	2			1			1							1
46. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	July 29, 2025			2	13	4	5	2	2	2			1			1							1
47. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	August 05, 2025			2	13	4	5	2	2	2			1			1							1
48. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	August 12, 2025			2	13	4	5	2	2	2			1			1							1
49. Detective Comics 623 (11/90, DC Comics)	Universal	33	8.86	August 19, 2025			2	13	4	5	2	2	2			1			1							1
50. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	January 02, 2018							1
51. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 03, 2018							1
52. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	January 01, 2019							1
53. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 02, 2019							1
54. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	December 31, 2019							1
55. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	June 30, 2020							1
56. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	December 29, 2020							1
57. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	June 29, 2021							1
58. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	December 28, 2021							1
59. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	June 28, 2022							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. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	December 27, 2022							1
61. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	June 27, 2023							1
62. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	December 31, 2023							1
63. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	June 24, 2025							1
64. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 01, 2025							1
65. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 15, 2025							1
66. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 22, 2025							1
67. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	July 29, 2025							1
68. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	August 05, 2025							1
69. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	August 12, 2025							1
70. Detective Comics 623 (11/90, DC Comics)	Signature	1	9.00	August 19, 2025							1

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