Sale 1:

https://backpack.tf/profiles/76561198106616355#!/compare/1536969600/1537142400

https://backpack.tf/profiles/76561198375483303#!/compare/1536883200/1536969600

Untrace

Sale 2:

https://backpack.tf/profiles/76561198375483303#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198267257155#!/compare/1536883200/1536969600

Sold for DP Hong Kong

Hong Kong Mini:

https://backpack.tf/suggestion/5baa70ba44325a530055cc30

Suggestion for 33 keys

Sale 3:

https://backpack.tf/profiles/76561198267257155#!/compare/1536883200/1536969600

https://backpack.tf/profiles/76561198838788284#!/compare/1536883200/1536969600

Sold with CH Trucker + 6 keys for Burning Sterling

Use there.

Sale 4:

https://backpack.tf/profiles/76561198008994962#!/compare/1535241600/1535328000

https://backpack.tf/profiles/76561198153011059#!/compare/1535241600/1535328000

Sold for Beams Fat Man + 3 keys

Fat Man Mini:

https://backpack.tf/suggestion/5babaf72cf6c7530fb78d0ea

Suggestion for 42.5 keys

Total is 45.5 keys

Sale 5:

https://backpack.tf/profiles/76561198153011059#!/compare/1535500800/1535587200

https://backpack.tf/profiles/76561198396975934#!/compare/1535500800/1535587200

Sold with 3 keys for Planets Rack(42)

Total is 39 keys

Sale 6:

https://backpack.tf/profiles/76561198396975934#!/compare/1536451200/1536710400

https://backpack.tf/profiles/76561198174203179#!/compare/1536624000/1536710400

Sold for Tesla Impaler

Use there.

Total sales @:

33, 39, 45.5 keys

https://i.imgur.com/4qYMHVz.jpg

Seller for 36 keys,

Calling 45.5 the outlier, keeping 39,

Taking 33 - 39 keys.