Sale 1:

untrace

https://backpack.tf/profiles/76561198075456419#!/compare/1557532800/1557619200

https://backpack.tf/profiles/76561198337734785#!/compare/1557446400/1557532800

Sale 2:

12 pure

https://backpack.tf/profiles/76561198337734785#!/compare/1557619200/1557705600

https://backpack.tf/profiles/76561198102068252#!/compare/1557619200/1557705600

Sale 3:

Seems kinda high, higher than unsolds

unu SMG + unu rocket launcher

https://backpack.tf/profiles/76561198179917363#!/compare/1557619200/1557792000

https://backpack.tf/profiles/76561198102068252#!/compare/1557705600/1557792000

Sale 4:

untrace

https://backpack.tf/profiles/76561198337734785#!/compare/1553299200/1553385600

https://backpack.tf/profiles/76561198802447585#!/compare/1553299200/1553385600

Sale 5:

untrace

https://backpack.tf/profiles/76561198374127366#!/compare/1553731200/1553904000

Sale 6:

11 keys + 14 ref

https://backpack.tf/profiles/76561198179783341#!/compare/1554163200/1554249600

https://backpack.tf/profiles/76561198442349647#!/compare/1554163200/1554249600

Sale 7:

untrace

https://backpack.tf/profiles/76561198046762101#!/compare/1556236800/1556409600

https://backpack.tf/profiles/76561198442349647#!/compare/1556150400/1556323200

Sale 8:

Bulk

https://backpack.tf/profiles/76561198021055079#!/compare/1559520000/1559606400

https://backpack.tf/profiles/76561198046762101#!/compare/1559520000/1559606400

Sale 9:

Bulk

https://backpack.tf/profiles/76561198189381361#!/compare/1552780800/1553126400

Sale 10:

Buy orders on items higher than unsolds

https://backpack.tf/profiles/76561198189381361#!/compare/1553212800/1553299200

https://backpack.tf/profiles/76561198091184911#!/compare/1552953600/1553299200

Sale 11:

Bulk

https://backpack.tf/profiles/76561198349886701#!/compare/1553299200/1553385600

https://backpack.tf/profiles/76561198091184911#!/compare/1553299200/1553385600

Sale 12:

untrace

https://backpack.tf/profiles/76561198349886701#!/compare/1554768000/1554854400

https://backpack.tf/profiles/76561198100894341#!/compare/1554768000/1554854400

Sale 13:

Bulk

https://backpack.tf/profiles/76561198337734785#!/compare/1557360000/1557446400

https://backpack.tf/profiles/76561198100894341#!/compare/1556496000/1557446400

==============================================================================

Sales:

11.3,12,13,13

Buyers at 11.3: https://imgur.com/a/0rQ40Bg

Credits to k1ng:

Pair of sales at 13 here

https://bot.tf/stats/item?def=102&q=5&ef=Blizzardy+Storm&craft=1&aus=0&ks=0

https://backpack.tf/profiles/76561198310144372#!/compare/1556143200/1556229600

https://backpack.tf/profiles/76561198442349647#!/compare/1556316000/1556402400