Lets go.

Sale #1:

https://backpack.tf/profiles/76561197964171516#!/compare/1616544000/1616630400 ~ 16 keys (histories match using nearID)

Sale #2:

https://backpack.tf/profiles/76561198274501007#!/compare/1616630400/1616716800 ~ weirdly quicksold to scrap for 10 keys + 9 ref

Sale #3:

https://backpack.tf/profiles/76561198799027123#!/compare/1616716800/1616889600 ~ sold for a c9 convict cap + 2 keys + 2 key quarantine case

Mini convict cap:

https://backpack.tf/profiles/76561199084759424#!/compare/1616371200/1616457600 ~ added a key for a Steaming Cloud Crasher

Micro Cloud crashrr:

https://backpack.tf/profiles/76561199096121125#!/compare/1616284800/1616371200 ~ only sale i could find, they all seem around 10 keys so I'll take 10 keys

~14