Sale 1:

https://backpack.tf/profiles/76561198840066289#!/compare/1544140800/1544659200

https://backpack.tf/profiles/76561198362002030#!/compare/1543190400/1544400000

Untrace

Sale 2:

https://backpack.tf/profiles/76561198160120451#!/compare/1542499200/1542585600

Sold for 23 keys

Sale 3:

https://backpack.tf/profiles/76561198312583107#!/compare/1544745600/1544832000

https://backpack.tf/profiles/76561198073176682#!/compare/1544832000/1545091200

Sold for Miami Fragger

Use there.

Sale 4:

https://backpack.tf/profiles/76561198007869979#!/compare/1541980800/1542153600

https://backpack.tf/profiles/76561198047606096#!/compare/1542153600/1542240000

Sold for 29 keys

Sale 5:

https://backpack.tf/profiles/76561198099263535#!/compare/1542758400/1543104000

Sold for 23 keys

Sale 6:

https://backpack.tf/profiles/76561198116110446#!/compare/1541376000/1541462400

https://backpack.tf/profiles/76561198312583107#!/compare/1541289600/1541376000

Untrace

Sale 7:

https://backpack.tf/profiles/76561198058274451#!/compare/1541808000/1541980800

https://backpack.tf/profiles/76561198125791160#!/compare/1541721600/1541808000

Sold for 22 keys

Sale 8:

https://backpack.tf/profiles/76561198076658601#!/compare/1540252800/1540339200

https://backpack.tf/profiles/76561198271685961#!/compare/1537488000/1543449600

Untrace

Sale 9:

https://backpack.tf/profiles/76561198092202496#!/compare/1541462400/1542067200

https://backpack.tf/profiles/76561197980830714#!/compare/1541289600/1541462400

Untrace

Sale 10:

https://backpack.tf/profiles/76561198210673328#!/compare/1542412800/1542585600

https://backpack.tf/profiles/76561198337734785#!/compare/1542412800/1542499200

Untrace

Sale 11:

https://backpack.tf/profiles/76561198337734785#!/compare/1543363200/1543449600

https://backpack.tf/profiles/76561198214839716#!/compare/1543449600/1543795200

Sold for 22 keys + negligible ref

Sale 12:

https://backpack.tf/profiles/76561198130543279#!/compare/1540512000/1540857600

https://backpack.tf/profiles/76561198142892266#!/compare/1540771200/1540857600

Sold for 27 keys

Sale 13:

https://backpack.tf/profiles/76561198142892266#!/compare/1540771200/1540857600

https://backpack.tf/profiles/76561198080266279#!/compare/1540771200/1540857600

Sold for DBD Giesha + ~3 keys in sweets

Use there.

Sale 14:

https://backpack.tf/profiles/76561198269408400#!/compare/1542758400/1543017600

https://backpack.tf/profiles/76561198311725787#!/compare/1542931200/1543017600

Sold for 19 keys

Sale 15:

https://backpack.tf/profiles/76561198311725787#!/compare/1542931200/1543017600

https://backpack.tf/profiles/76561198090737788#!/compare/1542931200/1543190400

Untrace

Sale 16:

https://backpack.tf/profiles/76561198090737788#!/compare/1543190400/1543363200

https://backpack.tf/profiles/76561198125791160#!/compare/1543190400/1543276800

Sold for 22 keys

Sale 17:

https://backpack.tf/profiles/76561198125791160#!/compare/1543708800/1543795200

https://backpack.tf/profiles/76561198260554029#!/compare/1543795200/1543881600

Untrace

Sale 18:

https://backpack.tf/profiles/76561198083415007#!/compare/1540684800/1540771200

https://backpack.tf/profiles/76561198142892266#!/compare/1540598400/1540684800

Sold for Miami Peculiarity + 12 keys

Use there.

Sale 19:

https://backpack.tf/profiles/76561198142892266#!/compare/1540598400/1540684800

https://backpack.tf/profiles/76561198257905663#!/compare/1540512000/1540684800

Untrace

Sale 20:

https://backpack.tf/profiles/76561198257905663#!/compare/1544313600/1544400000

https://backpack.tf/profiles/76561198123163113#!/compare/1544227200/1544400000

Sold with 15 keys for Miami Crusader

Use there.

Sale 21:

https://backpack.tf/profiles/76561198123163113#!/compare/1544400000/1544486400

Sold for 14 keys

Sale 22:

https://backpack.tf/profiles/76561198061131353#!/compare/1542067200/1542153600

https://backpack.tf/profiles/76561198350879574#!/compare/1542067200/1542153600

Sold with ~2 keys in sweets + Strange Skinned Sniper for Insomnia Cannonball

Use there.

Sale 23:

https://backpack.tf/profiles/76561198350879574#!/compare/1542153600/1542240000

https://backpack.tf/profiles/76561197971598115#!/compare/1542153600/1542240000

Bulk

Sale 24:

https://backpack.tf/profiles/76561197971598115#!/compare/1542153600/1542240000

https://backpack.tf/profiles/76561198037631433#!/compare/1542067200/1542240000

Bulk

Sale 25:

https://backpack.tf/profiles/76561198149097275#!/compare/1540166400/1540771200

https://backpack.tf/profiles/76561198079098551#!/compare/1540425600/1540857600

SCM

Sale 26:

https://backpack.tf/profiles/76561198079098551#!/compare/1541808000/1541894400

https://backpack.tf/profiles/76561198847555046#!/compare/1541376000/1541808000

Sold for CH Kabuto

High

Sale 27:

https://backpack.tf/profiles/76561198847555046#!/compare/1541808000/1541894400

Sold for PE Beret

High

Sale 28:

https://backpack.tf/profiles/76561198057191653#!/compare/1542326400/1542585600

Sold for AF Basemetal(39)

Sale 29:

https://marketplace.tf/items/31000;5;u121

Sold for 55 USD

Keys at 1.75

Total is 31.43 keys

Total sales @:

14, 19, 22, 22, 22, 23, 23, 27, 29, 31.43, 39 keys

https://i.imgur.com/HyfCebD.jpg

Sellers down to 23 keys

Gonna cal 14 & 19 outliers based on quickness of sales afterwards,

Calling above 23 outliers, and all unusual sales can be used there.

Taking 22 - 23 keys.