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Harley Quinn #21
Variant Cover	DC Comics, 12/15

Amanda Conner & Jimmy Palmiotti story		"Monsters of the Month" variant cover.
John Timms art
Ryan Sook 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. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	2	9.80	December 29, 2015			2
2. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	6	9.77	June 28, 2016			5	1
3. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	14	9.77	December 27, 2016			12	2
4. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	15	9.76	June 27, 2017			12	3
5. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	15	9.76	January 02, 2018			12	3
6. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	15	9.76	July 03, 2018			12	3
7. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	17	9.73	January 01, 2019			12	4	1
8. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	18	9.72	July 02, 2019			12	5	1
9. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	18	9.72	December 31, 2019			12	5	1
10. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	18	9.72	June 30, 2020			12	5	1
11. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	20	9.73	December 29, 2020			14	5	1
12. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	20	9.73	June 29, 2021			14	5	1
13. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	20	9.73	December 28, 2021			14	5	1
14. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	20	9.73	June 28, 2022			14	5	1
15. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	20	9.73	December 27, 2022			14	5	1
16. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	June 27, 2023			15	5	1
17. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	December 31, 2023			15	5	1
18. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	June 24, 2025			15	5	1
19. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	July 01, 2025			15	5	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. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	July 15, 2025			15	5	1
21. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	July 22, 2025			15	5	1
22. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	July 29, 2025			15	5	1
23. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	August 05, 2025			15	5	1
24. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	August 12, 2025			15	5	1
25. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Universal	21	9.73	August 19, 2025			15	5	1
26. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	2	9.80	June 28, 2016			2
27. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	2	9.80	December 27, 2016			2
28. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	June 27, 2017			2		1
29. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	January 02, 2018			2		1
30. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	July 03, 2018			2		1
31. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	January 01, 2019			2		1
32. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	July 02, 2019			2		1
33. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	December 31, 2019			2		1
34. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	June 30, 2020			2		1
35. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	December 29, 2020			2		1
36. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	June 29, 2021			2		1
37. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	December 28, 2021			2		1
38. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	3	9.67	June 28, 2022			2		1
39. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	December 27, 2022			3		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. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	June 27, 2023			3		1
41. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	December 31, 2023			3		1
42. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	June 24, 2025			3		1
43. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	July 01, 2025			3		1
44. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	July 15, 2025			3		1
45. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	July 22, 2025			3		1
46. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	July 29, 2025			3		1
47. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	August 05, 2025			3		1
48. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	August 12, 2025			3		1
49. Harley Quinn 21 Variant Cover (12/15, DC Comics)	Signature	4	9.70	August 19, 2025			3		1

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