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Superman #309
	DC Comics, 3/77

Gerry Conway story		Supergirl appearance.
Jos? Luis Garc?a-L?pez cover & art		Letter from Fred Hembeck.

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. Superman 309 (3/77, DC Comics)	Universal	1	7.00	January 27, 2006											1
2. Superman 309 (3/77, DC Comics)	Universal	1	7.00	June 20, 2006											1
3. Superman 309 (3/77, DC Comics)	Universal	2	7.25	January 10, 2007										1	1
4. Superman 309 (3/77, DC Comics)	Universal	2	7.25	July 05, 2007										1	1
5. Superman 309 (3/77, DC Comics)	Universal	4	8.48	January 09, 2008			1	1						1	1
6. Superman 309 (3/77, DC Comics)	Universal	4	8.48	July 01, 2008			1	1						1	1
7. Superman 309 (3/77, DC Comics)	Universal	4	8.48	January 13, 2009			1	1						1	1
8. Superman 309 (3/77, DC Comics)	Universal	5	8.66	June 24, 2009			1	1	1					1	1
9. Superman 309 (3/77, DC Comics)	Universal	5	8.66	December 15, 2009			1	1	1					1	1
10. Superman 309 (3/77, DC Comics)	Universal	5	8.66	June 14, 2010			1	1	1					1	1
11. Superman 309 (3/77, DC Comics)	Universal	5	8.66	December 27, 2010			1	1	1					1	1
12. Superman 309 (3/77, DC Comics)	Universal	6	8.78	June 27, 2011			1	1	2					1	1
13. Superman 309 (3/77, DC Comics)	Universal	6	8.78	January 02, 2012			1	1	2					1	1
14. Superman 309 (3/77, DC Comics)	Universal	6	8.78	July 02, 2012			1	1	2					1	1
15. Superman 309 (3/77, DC Comics)	Universal	6	8.78	December 31, 2012			1	1	2					1	1
16. Superman 309 (3/77, DC Comics)	Universal	7	8.84	June 22, 2013			1	1	2	1				1	1
17. Superman 309 (3/77, DC Comics)	Universal	7	8.84	December 31, 2013			1	1	2	1				1	1
18. Superman 309 (3/77, DC Comics)	Universal	7	8.84	July 01, 2014			1	1	2	1				1	1
19. Superman 309 (3/77, DC Comics)	Universal	8	8.74	December 30, 2014			1	1	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. Superman 309 (3/77, DC Comics)	Universal	8	8.74	June 30, 2015			1	1	2	1			1	1	1
21. Superman 309 (3/77, DC Comics)	Universal	8	8.74	December 29, 2015			1	1	2	1			1	1	1
22. Superman 309 (3/77, DC Comics)	Universal	9	8.81	June 28, 2016			1	1	3	1			1	1	1
23. Superman 309 (3/77, DC Comics)	Universal	9	8.81	December 27, 2016			1	1	3	1			1	1	1
24. Superman 309 (3/77, DC Comics)	Universal	9	8.81	June 27, 2017			1	1	3	1			1	1	1
25. Superman 309 (3/77, DC Comics)	Universal	9	8.81	January 02, 2018			1	1	3	1			1	1	1
26. Superman 309 (3/77, DC Comics)	Universal	9	8.81	July 03, 2018			1	1	3	1			1	1	1
27. Superman 309 (3/77, DC Comics)	Universal	9	8.81	January 01, 2019			1	1	3	1			1	1	1
28. Superman 309 (3/77, DC Comics)	Universal	9	8.81	July 02, 2019			1	1	3	1			1	1	1
29. Superman 309 (3/77, DC Comics)	Universal	9	8.81	December 31, 2019			1	1	3	1			1	1	1
30. Superman 309 (3/77, DC Comics)	Universal	9	8.81	June 30, 2020			1	1	3	1			1	1	1
31. Superman 309 (3/77, DC Comics)	Universal	9	8.81	December 29, 2020			1	1	3	1			1	1	1
32. Superman 309 (3/77, DC Comics)	Universal	9	8.81	June 29, 2021			1	1	3	1			1	1	1
33. Superman 309 (3/77, DC Comics)	Universal	10	8.83	December 28, 2021			1	1	3	1	1		1	1	1
34. Superman 309 (3/77, DC Comics)	Universal	12	8.56	June 28, 2022			1	1	4	1	1		1	1	1				1
35. Superman 309 (3/77, DC Comics)	Universal	12	8.56	December 27, 2022			1	1	4	1	1		1	1	1				1
36. Superman 309 (3/77, DC Comics)	Universal	15	8.53	June 27, 2023			2	1	4	1	1	1	1	1	2				1
37. Superman 309 (3/77, DC Comics)	Universal	15	8.53	December 31, 2023			2	1	4	1	1	1	1	1	2				1
38. Superman 309 (3/77, DC Comics)	Universal	18	8.64	August 12, 2025			2	1	5	2	2	1	1	1	2				1
39. Superman 309 (3/77, DC Comics)	Universal	18	8.64	August 19, 2025			2	1	5	2	2	1	1	1	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
40. Superman 309 (3/77, DC Comics)	Universal	14	8.59	August 26, 2025			2	1	3	2	1	1	1		2				1
41. Superman 309 (3/77, DC Comics)	Universal	14	8.59	September 02, 2025			2	1	3	2	1	1	1		2				1
42. Superman 309 (3/77, DC Comics)	Universal	18	8.64	September 09, 2025			2	1	5	2	2	1	1	1	2				1
43. Superman 309 (3/77, DC Comics)	Universal	18	8.64	September 16, 2025			2	1	5	2	2	1	1	1	2				1

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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 September 16, 2025.
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