Sale 1:

https://backpack.tf/profiles/76561198349886701#!/compare/1534723200/1534809600

https://backpack.tf/profiles/76561198075552138#!/compare/1534204800/1534809600

Untrace(Maybe the 10 keys?)

Sale 2:

https://backpack.tf/profiles/76561198075552138#!/compare/1534896000/1534982400

https://backpack.tf/profiles/76561198363395191#!/compare/1534896000/1534982400

Sold to bot

Sale 3:

https://backpack.tf/profiles/76561198343999642#!/compare/1532131200/1532304000

https://backpack.tf/profiles/76561198048306527#!/compare/1532217600/1532304000

Sold for Searing Copper(10)

Sale 4:

https://backpack.tf/profiles/76561198048306527#!/compare/1532217600/1532304000

https://backpack.tf/profiles/76561198249363258#!/compare/1532131200/1532304000

Untrace.

Sale 5:

https://backpack.tf/profiles/76561198249363258#!/compare/1532304000/1532390400

https://backpack.tf/profiles/76561198102485753#!/compare/1532304000/1532390400

Untrace.

Sale 6:

https://backpack.tf/profiles/76561198404637828#!/compare/1532304000/1532390400

Untrace.

Sale 7:

https://backpack.tf/profiles/76561198404637828#!/compare/1532390400/1532649600

Untrace. QS?

Sale 8:

https://backpack.tf/profiles/76561198349886701#!/compare/1531958400/1532044800

https://backpack.tf/profiles/76561198171254709#!/compare/1531872000/1532044800

Sold for 11 keys (Came from Merendas)

Sale 9:

https://backpack.tf/profiles/76561198171254709#!/compare/1532563200/1532736000

Untrace.

Sale 10:

https://backpack.tf/profiles/76561198024867201#!/compare/1532476800/1532563200

https://backpack.tf/profiles/76561198087723353#!/compare/1532563200/1532736000

Sold for 10 keys

Sale 11:

https://backpack.tf/profiles/76561198353286168#!/compare/1534464000/1534550400

Untrace.

Sale 12:

https://backpack.tf/profiles/76561198320030042#!/compare/1534636800/1534723200

https://backpack.tf/profiles/76561198353286168#!/compare/1534636800/1534723200

Sold for N&B Liquidator

Use there.

Sale 13:

https://backpack.tf/profiles/76561198320030042#!/compare/1534636800/1534723200

https://backpack.tf/profiles/76561198254918432#!/compare/1534550400/1534723200

Sold for Showstopper Disco Fever. Low.

Sale 14:

https://marketplace.tf/items/181;5;u18

Sold for 15 USD, low.

Total sales @:

10, 10 , 11 keys

Taking 10 - 11 keys.