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Doug Mahnke Sketchbook #1
Sketch Cover	no publisher listed, 2009

Doug Mahnke cover & art		Blank 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. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 15, 2009			1
2. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 14, 2010			1
3. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 27, 2010			1
4. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 27, 2011			1
5. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	January 02, 2012			1
6. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 02, 2012			1
7. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 31, 2012			1
8. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 22, 2013			1
9. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 31, 2013			1
10. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 01, 2014			1
11. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 30, 2014			1
12. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 30, 2015			1
13. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 29, 2015			1
14. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 28, 2016			1
15. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 27, 2016			1
16. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 27, 2017			1
17. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	January 02, 2018			1
18. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 03, 2018			1
19. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	January 01, 2019			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. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 02, 2019			1
21. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 31, 2019			1
22. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 30, 2020			1
23. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 29, 2020			1
24. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 29, 2021			1
25. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 28, 2021			1
26. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 28, 2022			1
27. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 27, 2022			1
28. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 27, 2023			1
29. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	December 31, 2023			1
30. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	June 24, 2025			1
31. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 01, 2025			1
32. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 15, 2025			1
33. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 22, 2025			1
34. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	July 29, 2025			1
35. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	August 05, 2025			1
36. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	August 12, 2025			1
37. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Universal	1	9.80	August 19, 2025			1
38. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	1	9.80	December 15, 2009			1
39. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	1	9.80	June 14, 2010			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. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	1	9.80	December 27, 2010			1
41. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	1	9.80	June 27, 2011			1
42. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	1	9.80	January 02, 2012			1
43. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 02, 2012			2
44. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 31, 2012			2
45. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 22, 2013			2
46. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 31, 2013			2
47. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 01, 2014			2
48. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 30, 2014			2
49. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 30, 2015			2
50. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 29, 2015			2
51. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 28, 2016			2
52. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 27, 2016			2
53. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 27, 2017			2
54. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	January 02, 2018			2
55. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 03, 2018			2
56. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	January 01, 2019			2
57. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 02, 2019			2
58. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 31, 2019			2
59. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 30, 2020			2
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. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 29, 2020			2
61. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 29, 2021			2
62. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 28, 2021			2
63. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 28, 2022			2
64. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 27, 2022			2
65. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 27, 2023			2
66. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	December 31, 2023			2
67. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	June 24, 2025			2
68. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 01, 2025			2
69. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 15, 2025			2
70. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 22, 2025			2
71. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	July 29, 2025			2
72. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	August 05, 2025			2
73. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	August 12, 2025			2
74. Doug Mahnke Sketchbook 1 Sketch Cover (2009, no publisher listed)	Signature	2	9.80	August 19, 2025			2

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"CGC Census Analysis" is provided by Greg Holland (©2003-2025).
Data is sourced from the public CGC census (© Certified Guaranty Company, LLC.)
Used with permission of CGC since 2003. Data is from July 01, 2001 to August 19, 2025.
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