Sale 1: [50 Keys]

https://backpack.tf/profiles/76561198035334988#!/compare/1612656000/1614729600

+

https://backpack.tf/profiles/76561198031657211#!/compare/1612396800/1612915200

(Second compare link doesn't show, however key and item histories match so untrace resolved.)

Sale 2: [Untrace] [Bulk]

https://backpack.tf/profiles/76561198031657211#!/compare/1614470400/1614556800

+

https://backpack.tf/profiles/76561199099676397#!/compare/1614211200/1614729600

Sale 3: [45 Keys]

https://backpack.tf/profiles/76561199099676397#!/compare/1620864000/1620950400

https://backpack.tf/profiles/76561198965070085#!/compare/1620691200/1620950400

Sale 4: Bulk

https://backpack.tf/profiles/76561198271165769#!/compare/1614038400/1614124800

https://backpack.tf/profiles/76561198055622215#!/compare/1614038400/1614124800

Sale 5: [Bulk, Outlier]

https://backpack.tf/profiles/76561198055622215#!/compare/1614211200/1614297600

https://backpack.tf/profiles/76561198025676501#!/compare/1614211200/1614297600

Sale 6: [Outlier] [34 Keys]

https://backpack.tf/profiles/76561198046943416#!/compare/1613433600/1613520000

https://backpack.tf/profiles/76561198271165769#!/compare/1613433600/1613520000

Once again, I don't know why the original couldn't have been accepted, the difference is minimal. It seems like all my unusual suggestons get corrected and then promptly left until they can get corrected again. Waste.

Taking 45-50 Flat. Thanks to strange for sales and explanation of the outliers. Not counting 75 and 34 as they are outliers.