History 1: https://backpack.tf/item/7128385249

Untraceable

https://backpack.tf/profiles/76561199067635212#!/compare/1600128000/1600214400

https://backpack.tf/profiles/76561198139370347#!/compare/1600128000/1600214400

Untraceable

https://backpack.tf/profiles/76561198139370347#!/compare/1605312000/1605398400

https://backpack.tf/profiles/76561198375007802#!/compare/1604793600/1606262400

History 2: https://backpack.tf/item/7957082383

Deposited to Mannco.store

History 3 (DUPED) https://backpack.tf/item/1958364911

Untraceable:

https://backpack.tf/profiles/76561198378582929#!/compare/1602028800/1602115200

https://backpack.tf/profiles/76561198175810447#!/compare/1599264000/1602115200

Untraceable (the keys don't match):

https://backpack.tf/profiles/76561198175810447#!/compare/1602115200/1603584000

https://backpack.tf/profiles/76561198122096342#!/compare/1601769600/1602115200

Appears as Deposited to Marketplace.tf

Marketplace.tf sales untraceable via histories: https://marketplace.tf/items/tf2/652;5;u59

September 3: $12.98/1.84=7.05 ~7 keys

September 19: $14.3/1.87=7.65 ~7.5 keys

September 29: $14.5/1.84=7.88 ~8 keys

November 23: $14.99/1.75=8.57 ~8.5 keys

Going 7-8.5