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Detective Comics #231
	DC Comics, 5/56

Edmond Hamilton story, Curt Swan cover		Martian Manhunter origin recap.
Sheldon Moldoff, Ruben Moreira &
Joe Certa 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. Detective Comics 231 (5/56, DC Comics)	Universal	3	7.17	July 01, 2001									1		1	1
2. Detective Comics 231 (5/56, DC Comics)	Universal	3	7.17	January 27, 2002									1		1	1
3. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	July 17, 2003									1		1	1			1
4. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	January 08, 2004									1		1	1			1
5. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	July 12, 2004									1		1	1			1
6. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	December 16, 2004									1		1	1			1
7. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	July 07, 2005									1		1	1			1
8. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	January 27, 2006									1		1	1			1
9. Detective Comics 231 (5/56, DC Comics)	Universal	4	6.63	June 20, 2006									1		1	1			1
10. Detective Comics 231 (5/56, DC Comics)	Universal	7	5.57	January 10, 2007									1		1	1			1	1	2
11. Detective Comics 231 (5/56, DC Comics)	Universal	7	5.57	July 05, 2007									1		1	1			1	1	2
12. Detective Comics 231 (5/56, DC Comics)	Universal	9	5.50	January 09, 2008									1		1	1	1		1	2	2
13. Detective Comics 231 (5/56, DC Comics)	Universal	9	5.50	July 01, 2008									1		1	1	1		1	2	2
14. Detective Comics 231 (5/56, DC Comics)	Universal	10	5.40	January 13, 2009									1		1	1	1		1	3	2
15. Detective Comics 231 (5/56, DC Comics)	Universal	10	5.40	June 24, 2009									1		1	1	1		1	3	2
16. Detective Comics 231 (5/56, DC Comics)	Universal	10	5.40	December 15, 2009									1		1	1	1		1	3	2
17. Detective Comics 231 (5/56, DC Comics)	Universal	10	5.40	June 14, 2010									1		1	1	1		1	3	2
18. Detective Comics 231 (5/56, DC Comics)	Universal	10	5.40	December 27, 2010									1		1	1	1		1	3	2
19. Detective Comics 231 (5/56, DC Comics)	Universal	11	5.14	June 27, 2011									1		1	1	1		1	3	2			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 231 (5/56, DC Comics)	Universal	11	5.14	January 02, 2012									1		1	1	1		1	3	2			1
21. Detective Comics 231 (5/56, DC Comics)	Universal	11	5.14	July 02, 2012									1		1	1	1		1	3	2			1
22. Detective Comics 231 (5/56, DC Comics)	Universal	15	5.23	December 31, 2012								1	1		1	1	1		2	4	3			1
23. Detective Comics 231 (5/56, DC Comics)	Universal	16	5.44	June 22, 2013								2	1		1	1	1		2	4	3			1
24. Detective Comics 231 (5/56, DC Comics)	Universal	17	5.53	December 31, 2013								2	1		2	1	1		2	4	3			1
25. Detective Comics 231 (5/56, DC Comics)	Universal	17	5.53	July 01, 2014								2	1		2	1	1		2	4	3			1
26. Detective Comics 231 (5/56, DC Comics)	Universal	18	5.25	December 30, 2014								2	1		2	1	1		2	4	3			1					1
27. Detective Comics 231 (5/56, DC Comics)	Universal	18	5.25	June 30, 2015								2	1		2	1	1		2	4	3			1					1
28. Detective Comics 231 (5/56, DC Comics)	Universal	21	5.52	December 29, 2015								3	1		2	3	1		2	4	3			1					1
29. Detective Comics 231 (5/56, DC Comics)	Universal	21	5.52	June 28, 2016								3	1		2	3	1		2	4	3			1					1
30. Detective Comics 231 (5/56, DC Comics)	Universal	21	5.52	December 27, 2016								3	1		2	3	1		2	4	3			1					1
31. Detective Comics 231 (5/56, DC Comics)	Universal	23	5.76	June 27, 2017								4	2		2	3	1		2	4	3			1					1
32. Detective Comics 231 (5/56, DC Comics)	Universal	27	5.65	January 02, 2018								4	2		2	3	2	1	2	5	4			1					1
33. Detective Comics 231 (5/56, DC Comics)	Universal	28	5.64	July 03, 2018								4	2		2	3	2	2	2	5	4			1					1
34. Detective Comics 231 (5/56, DC Comics)	Universal	29	5.64	January 01, 2019								4	2		2	3	2	3	2	5	4			1					1
35. Detective Comics 231 (5/56, DC Comics)	Universal	29	5.64	July 02, 2019								4	2		2	3	2	3	2	5	4			1					1
36. Detective Comics 231 (5/56, DC Comics)	Universal	31	5.73	December 31, 2019								4	2	1	2	4	2	3	2	5	4			1					1
37. Detective Comics 231 (5/56, DC Comics)	Universal	31	5.73	June 30, 2020								4	2	1	2	4	2	3	2	5	4			1					1
38. Detective Comics 231 (5/56, DC Comics)	Universal	31	5.73	December 29, 2020								4	2	1	2	4	2	3	2	5	4			1					1
39. Detective Comics 231 (5/56, DC Comics)	Universal	33	5.70	June 29, 2021								4	2	1	3	4	2	3	2	5	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 231 (5/56, DC Comics)	Universal	34	5.72	December 28, 2021								4	2	1	3	5	2	3	2	5	4	1		1					1
41. Detective Comics 231 (5/56, DC Comics)	Universal	35	5.64	June 28, 2022								4	2	1	3	5	2	3	2	5	4	1	1	1					1
42. Detective Comics 231 (5/56, DC Comics)	Universal	36	5.58	December 27, 2022								4	2	1	3	5	2	3	2	5	4	2	1	1					1
43. Detective Comics 231 (5/56, DC Comics)	Universal	40	5.36	June 27, 2023								4	2	1	3	5	3	3	2	6	4	2	1	2					2
44. Detective Comics 231 (5/56, DC Comics)	Universal	41	5.32	December 31, 2023								4	2	1	3	5	3	3	2	6	4	3	1	2					2
45. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	June 24, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
46. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	July 01, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
47. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	July 15, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
48. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	July 22, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
49. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	July 29, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
50. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	August 05, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
51. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	August 12, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
52. Detective Comics 231 (5/56, DC Comics)	Universal	49	5.11	August 19, 2025								4	2	2	3	5	4	3	3	6	4	5	3	2				1	2
53. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	June 27, 2023																		1
54. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	December 31, 2023																		1
55. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	June 24, 2025																		1
56. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	July 01, 2025																		1
57. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	July 15, 2025																		1
58. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	July 22, 2025																		1
59. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	July 29, 2025																		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 231 (5/56, DC Comics)	Restored	1	3.50	August 05, 2025																		1
61. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	August 12, 2025																		1
62. Detective Comics 231 (5/56, DC Comics)	Restored	1	3.50	August 19, 2025																		1
63. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	June 24, 2025								1
64. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	July 01, 2025								1
65. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	July 15, 2025								1
66. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	July 22, 2025								1
67. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	July 29, 2025								1
68. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	August 05, 2025								1
69. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	August 12, 2025								1
70. Detective Comics 231 (5/56, DC Comics)	Qualified	1	8.50	August 19, 2025								1

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