Sale 1:

https://backpack.tf/profiles/76561198023166351#!/compare/1533168000/1534896000

https://backpack.tf/profiles/76561198227929956#!/compare/1533945600/1534377600

SCM

Sale 2:

https://backpack.tf/profiles/76561198030659133#!/compare/1534291200/1535932800

https://backpack.tf/profiles/76561198119534682#!/compare/1534291200/1534377600

Untrace.

Sale 3:

https://backpack.tf/profiles/76561198222628408#!/compare/1535587200/1535673600

https://backpack.tf/profiles/76561198815542934#!/compare/1535500800/1535587200

Untrace.

Sale 4:

https://backpack.tf/profiles/76561198815542934#!/compare/1535587200/1535846400

https://backpack.tf/profiles/76561198046414045#!/compare/1535760000/1535846400

Sold for 7 keys + 25 ref

Sale 5:

https://backpack.tf/profiles/76561198046414045#!/compare/1535846400/1536019200

Bulk.

Sale 6:

https://backpack.tf/profiles/76561198107810115#!/compare/1533600000/1533686400

https://backpack.tf/profiles/76561198165393130#!/compare/1533600000/1533686400

Untrace.

Sale 7:

https://backpack.tf/profiles/76561198165393130#!/compare/1533686400/1533772800

https://backpack.tf/profiles/76561198263745847#!/compare/1533686400/1533772800

Sold for 8 keys + ~1 key in sweets

Total is 9 keys

Sale 8:

https://backpack.tf/profiles/76561198263745847#!/compare/1534118400/1534291200

https://backpack.tf/profiles/76561198336517425#!/compare/1533859200/1534118400

Sold for 8 keys

Sale 9:

https://backpack.tf/profiles/76561198336517425#!/compare/1534118400/1534204800

https://backpack.tf/profiles/76561198205543712#!/compare/1534118400/1534204800

Sold for Planets Commando

Commando Mini:

https://backpack.tf/suggestion/5bb07a1f44325a2812294682

Suggestion for 8.25 keys

Sale 10:

https://backpack.tf/profiles/76561198205543712#!/compare/1535587200/1538265600

https://backpack.tf/profiles/76561198348280674#!/compare/1535587200/1537660800

SCM

Sale 11:

https://backpack.tf/profiles/76561198348280674#!/compare/1538092800/1538179200

QS to bot

Total sales @:

7.64, 8, 8.25, 9 keys

Buyers up to 8 keys

Rounding 8.25 to 8.5 keys

Taking 8.5 to 9 keys