Lots of key issues here.  I was limited on the pictures I could take so please reach out with any questions about specific issues.  

The Walking Dead lot of 50 includes the following issues;

#1 (NYCC Sketch 10th Anniversary)

#1 (Wizard World Austin Sketch)

#4

#5

#9

#10 (1st Maggie and Hershel)

#11

#12

#13

#17

#19, 2 copies (1st appearance of Michonne)

#27, 2 copies (1st Governor)

#28

#50

#51

#52

#53 (1st appearance of Abraham)

#54

#55

#61 (1st appearance of Gabriel)

#62

#62

#64

#65

#66

#67 (1st appearance of Aaron)

#69

#70 (1st appearance of Monroe)

#74

#75

#75 (Ultimate Comics variant)

#79

#80

#91 (1st appearance of Jesus)

#100 (1st appearance of Negan)

#100, Sketch Variant (1st appearance of Negan)

#101 (Ghost Variant)

#109, Blank Sketch

#115m, Midnight Release

#115o, NYCC Variant

#127 (1st appearance of Magna)

#132, 2 copies (1st appearance of Alpha, cameo)

#133

#138, 2 copies (1st appearance of Alpha, full)

#144 (Death of 12 Characters)

#192 (Death of Rick Grimes)

Comic condition varies from very fine to near mint+.

Please let me know if you have any questions.

Thanks