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Doug Mahnke Sketchbook #1
	no publisher listed, 2009

Doug Mahnke cover & 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. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	15	9.82	December 15, 2009		3	12
2. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	15	9.82	June 14, 2010		3	12
3. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	15	9.82	December 27, 2010		3	12
4. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	15	9.82	June 27, 2011		3	12
5. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	15	9.82	January 02, 2012		3	12
6. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 02, 2012		3	13
7. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 31, 2012		3	13
8. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 22, 2013		3	13
9. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 31, 2013		3	13
10. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 01, 2014		3	13
11. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 30, 2014		3	13
12. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 30, 2015		3	13
13. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 29, 2015		3	13
14. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 28, 2016		3	13
15. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 27, 2016		3	13
16. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 27, 2017		3	13
17. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	January 02, 2018		3	13
18. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 03, 2018		3	13
19. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	January 01, 2019		3	13
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 (2009, no publisher listed)	Signature	16	9.82	July 02, 2019		3	13
21. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 31, 2019		3	13
22. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 30, 2020		3	13
23. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 29, 2020		3	13
24. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 29, 2021		3	13
25. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 28, 2021		3	13
26. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 28, 2022		3	13
27. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 27, 2022		3	13
28. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 27, 2023		3	13
29. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	December 31, 2023		3	13
30. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	June 24, 2025		3	13
31. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 01, 2025		3	13
32. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 15, 2025		3	13
33. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 22, 2025		3	13
34. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	July 29, 2025		3	13
35. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	August 05, 2025		3	13
36. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	August 12, 2025		3	13
37. Doug Mahnke Sketchbook 1 (2009, no publisher listed)	Signature	16	9.82	August 19, 2025		3	13

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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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