Sale 1:

https://backpack.tf/profiles/76561198028320526#!/compare/1524614400/1524700800

https://backpack.tf/profiles/76561198182795337#!/compare/1524528000/1524700800

Bulk.

Sale 2:

https://backpack.tf/profiles/76561198182795337#!/compare/1524787200/1524873600

https://backpack.tf/profiles/76561198081270783#!/compare/1524787200/1524873600

Untraceable.

Sale 3:

https://backpack.tf/profiles/76561198081270783#!/compare/1524787200/1524873600

https://backpack.tf/profiles/76561198098563620#!/compare/1524787200/1524873600

Sold for 8 keys

Sale 4:

https://backpack.tf/profiles/76561198098563620#!/compare/1524787200/1524873600

https://backpack.tf/profiles/76561198398063696#!/compare/1524614400/1524873600

Sold for 8 keys + 2.1 in sweets

Total is 10.1 keys.

Sale 5:

https://backpack.tf/profiles/76561198398063696#!/compare/1524873600/1524960000

Sold for 14 keys.

Sale 6:

https://backpack.tf/profiles/76561198055622215#!/compare/1524873600/1524960000

https://backpack.tf/profiles/76561198041921140#!/compare/1524700800/1524960000

Sold for Smoking Tundra

https://backpack.tf/suggestion/5aff02f644325a68620dd73f

Suggestion for 22 keys.

Sale 7:

https://backpack.tf/profiles/76561198272100041#!/compare/1525824000/1525910400

https://backpack.tf/profiles/76561198001044586#!/compare/1525824000/1525910400

Sold for 7 keys.

Sale 8:

https://backpack.tf/profiles/76561198355487238#!/compare/1525824000/1525910400

https://backpack.tf/profiles/76561198272100041#!/compare/1525824000/1525910400

Untraceable.

Sale 9:

https://backpack.tf/profiles/76561198305676157#!/compare/1524355200/1524441600

https://backpack.tf/profiles/76561198271894529#!/compare/1524355200/1524528000

Untraceable.

Sale 10:

https://backpack.tf/profiles/76561198292796500#!/compare/1524873600/1525132800

Sold for DP Sky High

Sale 11 - 17:

https://marketplace.tf/items/1182;5;u3006

Sales for 25.99, 22, 22, 29, 22.49, 25 USD

Keys at 1.97, 1.97, 1.97, 1.97, 1.97, 1.97 USD

Totals are: 13.19, 11.16, 11.16, 14.7, 11.4, 12.69

Total sales are:

7, 8, 10.1, 11.16, 11.16, 11.4, 12.69, 13.19, 14, 14.7, 22

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

Sellers at 15

Buyers up to 6.14

Calling 8, 7 outliers.

Taking 10 - 15 keys.