Sale 1:

https://backpack.tf/profiles/76561198097972401#!/compare/1538784000/1538870400

https://backpack.tf/profiles/76561198332949751#!/compare/1538784000/1538870400

Sold for 37 keys

Sale 2:

https://backpack.tf/profiles/76561198332949751#!/compare/1538956800/1539043200

https://backpack.tf/profiles/76561198320266874#!/compare/1538956800/1539043200

Sold for items, which all sold quickly for pure, gonna take that total amount of pure.

Total is ~36 keys in pure

Sale 3:

https://backpack.tf/profiles/76561198320266874#!/compare/1539561600/1540425600

QS?

Sale 4:

https://backpack.tf/profiles/76561198335791307#!/compare/1543622400/1543708800

https://backpack.tf/profiles/76561198117433241#!/compare/1543708800/1543795200

Sold for 39 keys

Sale 5:

https://backpack.tf/profiles/76561198117433241#!/compare/1545868800/1545955200

https://backpack.tf/profiles/76561198021055079#!/compare/1545868800/1545955200

Looks like it would end up low.

Sale 6:

https://backpack.tf/profiles/76561198153511702#!/compare/1545868800/1545955200

https://backpack.tf/profiles/76561198112516663#!/compare/1545868800/1545955200

Sold with ~25 keys in sweets for CV Scopers

Use there.

Sale 7:

https://backpack.tf/profiles/76561198112516663#!/compare/1545955200/1546041600

https://backpack.tf/profiles/76561198125295112#!/compare/1546041600/1546128000

Sold for Phosphorous Company(85)

Sale 8:

https://marketplace.tf/items/97;5;u44

Sold for 71.86 USD,

Keys at 1.65 USD

Total is 43.55 keys

Buyers up to 36 keys

Seller at 46 keys

gonna go with 39 - 44 keys