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Sonic the Hedgehog #1
Sketch Edition	IDW Publishing, 6/18

Ian Flynn story		Partial blank cover.
Tracy Yardley & Jim Amash 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. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	1	9.40	December 28, 2021					1
2. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	1	9.40	June 28, 2022					1
3. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	2	9.60	December 27, 2022			1		1
4. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	June 27, 2023			2	1	1
5. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	December 31, 2023			2	1	1
6. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	June 17, 2025			2	1	1
7. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	June 24, 2025			2	1	1
8. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	July 01, 2025			2	1	1
9. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	July 15, 2025			2	1	1
10. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	July 22, 2025			2	1	1
11. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	July 29, 2025			2	1	1
12. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	August 05, 2025			2	1	1
13. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Universal	4	9.65	August 12, 2025			2	1	1
14. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	December 31, 2019				1
15. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	June 30, 2020				1
16. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	December 29, 2020				1
17. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	June 29, 2021				1
18. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	December 28, 2021				1
19. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	June 28, 2022				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. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	December 27, 2022				1
21. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	1	9.60	June 27, 2023				1
22. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	December 31, 2023				1	1
23. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	June 17, 2025				1	1
24. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	June 24, 2025				1	1
25. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	July 01, 2025				1	1
26. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	July 15, 2025				1	1
27. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	July 22, 2025				1	1
28. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	July 29, 2025				1	1
29. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	August 05, 2025				1	1
30. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Signature	2	9.50	August 12, 2025				1	1
31. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	2	9.50	December 29, 2020				1	1
32. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	2	9.50	June 29, 2021				1	1
33. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	2	9.50	December 28, 2021				1	1
34. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	June 28, 2022			3	1	1
35. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	December 27, 2022			3	1	1
36. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	June 27, 2023			3	1	1
37. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	December 31, 2023			3	1	1
38. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	June 17, 2025			3	1	1
39. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	June 24, 2025			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. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	July 01, 2025			3	1	1
41. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	July 15, 2025			3	1	1
42. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	July 22, 2025			3	1	1
43. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	July 29, 2025			3	1	1
44. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	August 05, 2025			3	1	1
45. Sonic the Hedgehog 1 Sketch Edition (6/18, IDW Publishing)	Qualified	5	9.68	August 12, 2025			3	1	1

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"CGC Census Analysis" is provided by Greg Holland (©2003-2025).
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Used with permission of CGC since 2003. Data is from July 01, 2001 to August 12, 2025.
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