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Detective Comics #523
	DC Comics, 2/83

Gerry Conway & Joey Cavalieri stories		Ed Hannigan & Dick Giordano cover.
Gene Colan, Tony DeZuniga, Irv Novick &		1st appearance of Killer Croc in cameo.
Ron Randall art		Solomon Grundy appearance.

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 523 (2/83, DC Comics)	Universal	1	9.80	July 17, 2003			1
2. Detective Comics 523 (2/83, DC Comics)	Universal	1	9.80	January 08, 2004			1
3. Detective Comics 523 (2/83, DC Comics)	Universal	1	9.80	July 12, 2004			1
4. Detective Comics 523 (2/83, DC Comics)	Universal	1	9.80	December 16, 2004			1
5. Detective Comics 523 (2/83, DC Comics)	Universal	1	9.80	July 07, 2005			1
6. Detective Comics 523 (2/83, DC Comics)	Universal	2	9.70	January 27, 2006			1	1
7. Detective Comics 523 (2/83, DC Comics)	Universal	3	9.73	June 20, 2006			2	1
8. Detective Comics 523 (2/83, DC Comics)	Universal	3	9.73	January 10, 2007			2	1
9. Detective Comics 523 (2/83, DC Comics)	Universal	3	9.73	July 05, 2007			2	1
10. Detective Comics 523 (2/83, DC Comics)	Universal	4	9.75	January 09, 2008			3	1
11. Detective Comics 523 (2/83, DC Comics)	Universal	5	9.50	July 01, 2008			3	1				1
12. Detective Comics 523 (2/83, DC Comics)	Universal	6	9.42	January 13, 2009			3	1			1	1
13. Detective Comics 523 (2/83, DC Comics)	Universal	8	9.51	June 24, 2009			5	1			1	1
14. Detective Comics 523 (2/83, DC Comics)	Universal	9	9.54	December 15, 2009			6	1			1	1
15. Detective Comics 523 (2/83, DC Comics)	Universal	9	9.54	June 14, 2010			6	1			1	1
16. Detective Comics 523 (2/83, DC Comics)	Universal	10	9.57	December 27, 2010			7	1			1	1
17. Detective Comics 523 (2/83, DC Comics)	Universal	11	9.59	June 27, 2011			8	1			1	1
18. Detective Comics 523 (2/83, DC Comics)	Universal	11	9.59	January 02, 2012			8	1			1	1
19. Detective Comics 523 (2/83, DC Comics)	Universal	11	9.59	July 02, 2012			8	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. Detective Comics 523 (2/83, DC Comics)	Universal	11	9.59	December 31, 2012			8	1			1	1
21. Detective Comics 523 (2/83, DC Comics)	Universal	12	9.59	June 22, 2013			8	2			1	1
22. Detective Comics 523 (2/83, DC Comics)	Universal	13	9.61	December 31, 2013			9	2			1	1
23. Detective Comics 523 (2/83, DC Comics)	Universal	14	9.62	July 01, 2014			10	2			1	1
24. Detective Comics 523 (2/83, DC Comics)	Universal	15	9.63	December 30, 2014			11	2			1	1
25. Detective Comics 523 (2/83, DC Comics)	Universal	16	9.62	June 30, 2015			11	2	1		1	1
26. Detective Comics 523 (2/83, DC Comics)	Universal	25	9.45	December 29, 2015			13	6	2		1	1	1		1
27. Detective Comics 523 (2/83, DC Comics)	Universal	29	9.49	June 28, 2016			16	6	3		1	1	1		1
28. Detective Comics 523 (2/83, DC Comics)	Universal	37	9.44	December 27, 2016			17	7	6		3	2	1		1
29. Detective Comics 523 (2/83, DC Comics)	Universal	56	9.41	June 27, 2017			20	13	12	3	3	2	1		2
30. Detective Comics 523 (2/83, DC Comics)	Universal	69	9.38	January 02, 2018			21	18	13	6	5	2	1		3
31. Detective Comics 523 (2/83, DC Comics)	Universal	83	9.31	July 03, 2018			22	21	18	7	5	4	1		5
32. Detective Comics 523 (2/83, DC Comics)	Universal	100	9.23	January 01, 2019			24	27	20	8	7	4	1	1	6	1		1
33. Detective Comics 523 (2/83, DC Comics)	Universal	120	9.22	July 02, 2019			26	36	20	14	8	5	1	1	6	1		1	1
34. Detective Comics 523 (2/83, DC Comics)	Universal	132	9.26	December 31, 2019			32	39	23	14	8	5	1	1	6	1		1	1
35. Detective Comics 523 (2/83, DC Comics)	Universal	149	9.26	June 30, 2020			35	47	24	15	10	5	2	1	6	2		1	1
36. Detective Comics 523 (2/83, DC Comics)	Universal	170	9.26	December 29, 2020			39	53	29	17	11	6	3	1	6	3		1	1
37. Detective Comics 523 (2/83, DC Comics)	Universal	199	9.24	June 29, 2021			46	57	39	21	12	7	3	1	6	4		1	1		1
38. Detective Comics 523 (2/83, DC Comics)	Universal	211	9.24	December 28, 2021			48	58	42	24	13	8	3	1	7	4		1	1		1
39. Detective Comics 523 (2/83, DC Comics)	Universal	237	9.22	June 28, 2022			50	62	49	29	17	9	5	1	8	4		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 523 (2/83, DC Comics)	Universal	277	9.17	December 27, 2022			55	72	57	31	19	14	7	4	9	4		2	1	1	1
41. Detective Comics 523 (2/83, DC Comics)	Universal	295	9.18	June 27, 2023			57	80	59	33	20	17	7	4	9	4		2	1	1	1
42. Detective Comics 523 (2/83, DC Comics)	Universal	310	9.16	December 31, 2023			59	83	60	33	21	19	10	6	10	4		2	1	1	1
43. Detective Comics 523 (2/83, DC Comics)	Universal	351	9.15	June 24, 2025			68	91	69	37	24	22	11	8	10	5	1	2	1	1	1
44. Detective Comics 523 (2/83, DC Comics)	Universal	351	9.15	July 01, 2025			68	91	69	37	24	22	11	8	10	5	1	2	1	1	1
45. Detective Comics 523 (2/83, DC Comics)	Universal	351	9.15	July 15, 2025			68	91	69	37	24	22	11	8	10	5	1	2	1	1	1
46. Detective Comics 523 (2/83, DC Comics)	Universal	354	9.16	July 22, 2025			68	93	69	38	24	22	11	8	10	5	1	2	1	1	1
47. Detective Comics 523 (2/83, DC Comics)	Universal	355	9.15	July 29, 2025			68	93	69	38	24	23	11	8	10	5	1	2	1	1	1
48. Detective Comics 523 (2/83, DC Comics)	Universal	355	9.15	August 05, 2025			68	93	69	38	24	23	11	8	10	5	1	2	1	1	1
49. Detective Comics 523 (2/83, DC Comics)	Universal	355	9.15	August 12, 2025			68	93	69	38	24	23	11	8	10	5	1	2	1	1	1
50. Detective Comics 523 (2/83, DC Comics)	Universal	356	9.16	August 19, 2025			68	94	69	38	24	23	11	8	10	5	1	2	1	1	1
51. Detective Comics 523 (2/83, DC Comics)	Signature	1	9.40	December 27, 2016					1
52. Detective Comics 523 (2/83, DC Comics)	Signature	2	9.30	June 27, 2017					1	1
53. Detective Comics 523 (2/83, DC Comics)	Signature	2	9.30	January 02, 2018					1	1
54. Detective Comics 523 (2/83, DC Comics)	Signature	2	9.30	July 03, 2018					1	1
55. Detective Comics 523 (2/83, DC Comics)	Signature	2	9.30	January 01, 2019					1	1
56. Detective Comics 523 (2/83, DC Comics)	Signature	3	8.53	July 02, 2019					1	1					1
57. Detective Comics 523 (2/83, DC Comics)	Signature	4	8.80	December 31, 2019				1	1	1					1
58. Detective Comics 523 (2/83, DC Comics)	Signature	4	8.80	June 30, 2020				1	1	1					1
59. Detective Comics 523 (2/83, DC Comics)	Signature	4	8.80	December 29, 2020				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
60. Detective Comics 523 (2/83, DC Comics)	Signature	5	8.96	June 29, 2021				2	1	1					1
61. Detective Comics 523 (2/83, DC Comics)	Signature	5	8.96	December 28, 2021				2	1	1					1
62. Detective Comics 523 (2/83, DC Comics)	Signature	5	8.96	June 28, 2022				2	1	1					1
63. Detective Comics 523 (2/83, DC Comics)	Signature	16	9.37	December 27, 2022			4	7	2	1		1			1
64. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	June 27, 2023			5	8	2	1		1			1
65. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	December 31, 2023			5	8	2	1		1			1
66. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	June 24, 2025			5	8	2	1		1			1
67. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	July 01, 2025			5	8	2	1		1			1
68. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	July 15, 2025			5	8	2	1		1			1
69. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	July 22, 2025			5	8	2	1		1			1
70. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	July 29, 2025			5	8	2	1		1			1
71. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	August 05, 2025			5	8	2	1		1			1
72. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	August 12, 2025			5	8	2	1		1			1
73. Detective Comics 523 (2/83, DC Comics)	Signature	18	9.41	August 19, 2025			5	8	2	1		1			1

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