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Detective Comics #306
	DC Comics, 8/62

Bill Finger story, Sheldon Moldoff cover		Origin and 1st appearance of Prof. Hugo.
Sheldon Moldoff, Joe Certa and
Charles Paris 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 306 (8/62, DC Comics)	Universal	3	7.90	July 01, 2001						1			1			1
2. Detective Comics 306 (8/62, DC Comics)	Universal	3	7.90	January 27, 2002						1			1			1
3. Detective Comics 306 (8/62, DC Comics)	Universal	4	8.18	July 17, 2003						1	1		1			1
4. Detective Comics 306 (8/62, DC Comics)	Universal	5	8.42	January 08, 2004					1	1	1		1			1
5. Detective Comics 306 (8/62, DC Comics)	Universal	5	8.42	July 12, 2004					1	1	1		1			1
6. Detective Comics 306 (8/62, DC Comics)	Universal	5	8.42	December 16, 2004					1	1	1		1			1
7. Detective Comics 306 (8/62, DC Comics)	Universal	6	7.77	July 07, 2005					1	1	1		1			1				1
8. Detective Comics 306 (8/62, DC Comics)	Universal	7	7.66	January 27, 2006					1	1	1		1		1	1				1
9. Detective Comics 306 (8/62, DC Comics)	Universal	7	7.66	June 20, 2006					1	1	1		1		1	1				1
10. Detective Comics 306 (8/62, DC Comics)	Universal	7	7.66	January 10, 2007					1	1	1		1		1	1				1
11. Detective Comics 306 (8/62, DC Comics)	Universal	7	7.66	July 05, 2007					1	1	1		1		1	1				1
12. Detective Comics 306 (8/62, DC Comics)	Universal	7	7.66	January 09, 2008					1	1	1		1		1	1				1
13. Detective Comics 306 (8/62, DC Comics)	Universal	8	7.85	July 01, 2008					1	2	1		1		1	1				1
14. Detective Comics 306 (8/62, DC Comics)	Universal	8	7.85	January 13, 2009					1	2	1		1		1	1				1
15. Detective Comics 306 (8/62, DC Comics)	Universal	8	7.85	June 24, 2009					1	2	1		1		1	1				1
16. Detective Comics 306 (8/62, DC Comics)	Universal	9	8.02	December 15, 2009					2	2	1		1		1	1				1
17. Detective Comics 306 (8/62, DC Comics)	Universal	13	7.88	June 14, 2010				1	1	2	1	2	2		1	1			1	1
18. Detective Comics 306 (8/62, DC Comics)	Universal	14	7.97	December 27, 2010				1	1	3	1	2	2		1	1			1	1
19. Detective Comics 306 (8/62, DC Comics)	Universal	14	7.97	June 27, 2011				1	1	3	1	2	2		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. Detective Comics 306 (8/62, DC Comics)	Universal	15	7.87	January 02, 2012				1	1	3	1	2	2		1	2			1	1
21. Detective Comics 306 (8/62, DC Comics)	Universal	15	7.87	July 02, 2012				1	1	3	1	2	2		1	2			1	1
22. Detective Comics 306 (8/62, DC Comics)	Universal	16	7.91	December 31, 2012				1	1	3	1	3	2		1	2			1	1
23. Detective Comics 306 (8/62, DC Comics)	Universal	17	7.89	June 22, 2013				1	1	3	1	3	2	1	1	2			1	1
24. Detective Comics 306 (8/62, DC Comics)	Universal	19	7.95	December 31, 2013				1	1	3	2	3	3	1	1	2			1	1
25. Detective Comics 306 (8/62, DC Comics)	Universal	20	7.98	July 01, 2014				1	1	3	2	4	3	1	1	2			1	1
26. Detective Comics 306 (8/62, DC Comics)	Universal	20	7.98	December 30, 2014				1	1	3	2	4	3	1	1	2			1	1
27. Detective Comics 306 (8/62, DC Comics)	Universal	22	7.85	June 30, 2015				1	1	3	2	4	4	1	1	2			2	1
28. Detective Comics 306 (8/62, DC Comics)	Universal	22	7.85	December 29, 2015				1	1	3	2	4	4	1	1	2			2	1
29. Detective Comics 306 (8/62, DC Comics)	Universal	22	7.85	June 28, 2016				1	1	3	2	4	4	1	1	2			2	1
30. Detective Comics 306 (8/62, DC Comics)	Universal	22	7.85	December 27, 2016				1	1	3	2	4	4	1	1	2			2	1
31. Detective Comics 306 (8/62, DC Comics)	Universal	23	7.85	June 27, 2017				1	1	3	2	4	5	1	1	2			2	1
32. Detective Comics 306 (8/62, DC Comics)	Universal	24	7.92	January 02, 2018				1	2	3	2	4	5	1	1	2			2	1
33. Detective Comics 306 (8/62, DC Comics)	Universal	25	7.92	July 03, 2018				1	2	3	2	4	6	1	1	2			2	1
34. Detective Comics 306 (8/62, DC Comics)	Universal	27	7.81	January 01, 2019				1	2	3	3	4	6	1	1	2			2	1	1
35. Detective Comics 306 (8/62, DC Comics)	Universal	28	7.82	July 02, 2019				1	2	3	3	4	7	1	1	2			2	1	1
36. Detective Comics 306 (8/62, DC Comics)	Universal	31	7.81	December 31, 2019				1	2	3	3	5	8	1	1	3			2	1	1
37. Detective Comics 306 (8/62, DC Comics)	Universal	34	7.62	June 30, 2020				1	2	3	3	5	8	1	1	4		1	3	1	1
38. Detective Comics 306 (8/62, DC Comics)	Universal	35	7.66	December 29, 2020				1	2	4	3	5	8	1	1	4		1	3	1	1
39. Detective Comics 306 (8/62, DC Comics)	Universal	36	7.69	June 29, 2021				1	2	4	3	6	8	1	1	4		1	3	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 306 (8/62, DC Comics)	Universal	36	7.69	December 28, 2021				1	2	4	3	6	8	1	1	4		1	3	1	1
41. Detective Comics 306 (8/62, DC Comics)	Universal	36	7.69	June 28, 2022				1	2	4	3	6	8	1	1	4		1	3	1	1
42. Detective Comics 306 (8/62, DC Comics)	Universal	40	7.61	December 27, 2022				1	2	4	4	6	9	1	1	4		2	4	1	1
43. Detective Comics 306 (8/62, DC Comics)	Universal	42	7.54	June 27, 2023				1	2	4	4	6	9	1	1	5	1	2	4	1	1
44. Detective Comics 306 (8/62, DC Comics)	Universal	42	7.54	December 31, 2023				1	2	4	4	6	9	1	1	5	1	2	4	1	1
45. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	June 24, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
46. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	July 01, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
47. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	July 15, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
48. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	July 22, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
49. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	July 29, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
50. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	August 05, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
51. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	August 12, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
52. Detective Comics 306 (8/62, DC Comics)	Universal	49	7.45	August 19, 2025				1	2	4	5	8	9	1	1	7	2	2	4	1	1	1
53. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 17, 2003								1
54. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 08, 2004								1
55. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 12, 2004								1
56. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 16, 2004								1
57. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 07, 2005								1
58. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 27, 2006								1
59. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 20, 2006								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 306 (8/62, DC Comics)	Restored	1	8.50	January 10, 2007								1
61. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 05, 2007								1
62. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 09, 2008								1
63. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 01, 2008								1
64. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 13, 2009								1
65. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 24, 2009								1
66. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 15, 2009								1
67. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 14, 2010								1
68. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 27, 2010								1
69. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 27, 2011								1
70. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 02, 2012								1
71. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 02, 2012								1
72. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 31, 2012								1
73. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 22, 2013								1
74. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 31, 2013								1
75. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	July 01, 2014								1
76. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 30, 2014								1
77. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 30, 2015								1
78. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 29, 2015								1
79. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 28, 2016								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
80. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	December 27, 2016								1
81. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	June 27, 2017								1
82. Detective Comics 306 (8/62, DC Comics)	Restored	1	8.50	January 02, 2018								1
83. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	July 03, 2018							1	1
84. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	January 01, 2019							1	1
85. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	July 02, 2019							1	1
86. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	December 31, 2019							1	1
87. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	June 30, 2020							1	1
88. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	December 29, 2020							1	1
89. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	June 29, 2021							1	1
90. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	December 28, 2021							1	1
91. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	June 28, 2022							1	1
92. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	December 27, 2022							1	1
93. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	June 27, 2023							1	1
94. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	December 31, 2023							1	1
95. Detective Comics 306 (8/62, DC Comics)	Restored	2	8.75	June 24, 2025							1	1
96. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	July 01, 2025							1	1			1
97. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	July 15, 2025							1	1			1
98. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	July 22, 2025							1	1			1
99. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	July 29, 2025							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
100. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	August 05, 2025							1	1			1
101. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	August 12, 2025							1	1			1
102. Detective Comics 306 (8/62, DC Comics)	Restored	3	8.17	August 19, 2025							1	1			1

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