Credits to Shuffle

sale 1.)Don't know

https://backpack.tf/profiles/76561198281630040#!/compare/1609286400/1609372800

https://backpack.tf/profiles/76561198121555078#!/compare/1608768000/1609372800

sale 2.) Added an Accursed Scotsman's Stagger for a Nebula Universal Translator (the Translator was immediately resold for 241 Keys)

https://backpack.tf/profiles/76561198121555078#!/compare/1611187200/1611273600

https://backpack.tf/profiles/76561199063531190#!/compare/1611187200/1611273600

https://image.prntscr.com/image/7KoTLasBQ2SWO96E62Chkw.png - Translator for 241

sale 3.)Bulk sale for a Chiroptera Killer's Kabuto

https://backpack.tf/profiles/76561198057452720#!/compare/1605484800/1605830400

sale 4.) Can't tell

https://backpack.tf/profiles/76561198053720151#!/compare/1605830400/1605916800

https://backpack.tf/profiles/76561198859721638#!/compare/1605744000/1605916800

sale 5.)200 Keys

https://backpack.tf/profiles/76561198859721638#!/compare/1607990400/1608076800

sale 6.) Better for the Pith

https://backpack.tf/profiles/76561198118657767#!/compare/1608163200/1608249600

sale 7.) 240 pure

https://backpack.tf/profiles/76561199063531190#!/compare/1612051200/1612137600

https://backpack.tf/profiles/76561198068540004#!/compare/1612051200/1612137600

Taking 200 - 240, since the Translator sale will fit the range