Resuggesting! Many thanks to K1ng for letting me know that the Fruit Shoot sale was better used here instead!

Sale #1

Untraceable-

Seller: https://backpack.tf/profiles/76561198195933333#!/compare/1602288000/1602374400

Buyer: https://backpack.tf/profiles/76561198210322871#!/compare/1601510400/1602374400

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198210322871#!/compare/1605398400/1606435200

Buyer: https://backpack.tf/profiles/76561198841279602#!/compare/1605398400/1605484800

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198841279602#!/compare/1606262400/1606348800

Buyer: https://backpack.tf/profiles/76561198827740349#!/compare/1603843200/1607385600

Sale #4-5

Given from one bot to another to another-

https://backpack.tf/item/148000677

Sale #6

Sold for 19 keys-

Seller: https://backpack.tf/profiles/76561198061489334#!/compare/1604275200/1604361600

Buyer: https://backpack.tf/profiles/76561198228991628#!/compare/1604275200/1604361600

Sale #7

Untraceable-

Seller: https://backpack.tf/profiles/76561198076222707#!/compare/1605312000/1605398400

Buyer: https://backpack.tf/profiles/76561198002757046#!/compare/1605312000/1605398400

Sale #8

Sold for a Orbiting Planets Fruit Shoot (12 keys) + a Skin Pro KS Sniper Rifle (4ish keys) [12 + 4 = 16]-

Seller: https://backpack.tf/profiles/76561198228991628#!/compare/1605225600/1605398400

Buyer: https://backpack.tf/profiles/76561198076222707#!/compare/1605312000/1605398400

Sales @ 16, 19

Taking 16-19