Sale 1:

https://marketplace.tf/items/253;5;u18

$15.41 / $1.76 = 8.76 keys

$0.01 from buy orders: https://imgur.com/a/nYxIJo4

Sale 2:

bulk

https://backpack.tf/profiles/76561198231929776#!/compare/1551052800/1551139200

https://backpack.tf/profiles/76561198218375863#!/compare/1551052800/1551139200

Sale 3:

untrace

https://backpack.tf/profiles/76561198218375863#!/compare/1552521600/1552608000

https://backpack.tf/profiles/76561198337734785#!/compare/1552608000/1552694400

Sale 4:

10 pure

https://backpack.tf/profiles/76561198006544512#!/compare/1550188800/1550275200

https://backpack.tf/profiles/76561198310076718#!/compare/1550102400/1550275200

Sale 5:

untrace

https://backpack.tf/profiles/76561198360722961#!/compare/1550188800/1550275200

https://backpack.tf/profiles/76561198310076718#!/compare/1550102400/1550275200

Sale 6:

9 keys

Blizzardy Magistrate's Mullet (9 keys)

https://backpack.tf/profiles/76561198360722961#!/compare/1550275200/1550361600

https://backpack.tf/profiles/76561198154023527#!/compare/1550275200/1550361600

Sale 7:

9 keys + 12 ref

https://backpack.tf/profiles/76561198154023527#!/compare/1550448000/1550620800

https://backpack.tf/profiles/76561198146939162#!/compare/1550534400/1550620800

Sale 8:

untrace

https://backpack.tf/profiles/76561198146939162#!/compare/1550620800/1550707200

https://backpack.tf/profiles/76561198094832204#!/compare/1550620800/1550707200

Sale 9:

Bulk

https://backpack.tf/profiles/76561198094832204#!/compare/1551052800/1551139200

https://backpack.tf/profiles/76561198189381361#!/compare/1551052800/1551139200

Sale 10:

Bulk

https://backpack.tf/profiles/76561198189381361#!/compare/1551139200/1551225600

https://backpack.tf/profiles/76561198048563101#!/compare/1550880000/1551225600

Sale 11:

Bulk

https://backpack.tf/profiles/76561198048563101#!/compare/1551225600/1551312000

https://backpack.tf/profiles/76561198056793885#!/compare/1551225600/1551312000

Sale 12:

Due to unsold would be under handle buyers: https://imgur.com/a/IE0x0ko

Smoking prancers pride

https://backpack.tf/profiles/76561198327145959#!/compare/1551484800/1551571200

https://backpack.tf/profiles/76561198059293028#!/compare/1551484800/1551744000

Sale 13:

untrace

https://backpack.tf/profiles/76561198059293028#!/compare/1551744000/1551830400

https://backpack.tf/profiles/76561198133691426#!/compare/1551744000/1551830400

Sale 14:

untrace

https://backpack.tf/profiles/76561198133691426#!/compare/1551830400/1551916800

https://backpack.tf/profiles/76561198309261884#!/compare/1551830400/1552089600

Sale 15:

untrace

https://backpack.tf/profiles/76561198846559158#!/compare/1552003200/1552089600

https://backpack.tf/profiles/76561198121702006#!/compare/1552089600/1552176000

Sale 16:

10 pure

https://backpack.tf/profiles/76561198121702006#!/compare/1552262400/1552521600

https://backpack.tf/profiles/76561198178057793#!/compare/1552435200/1552521600

Sale 17:

Under buyers: https://imgur.com/a/hzW0d4L

8 keys + 21 ref

https://backpack.tf/profiles/76561198119131370#!/compare/1552608000/1552694400

https://backpack.tf/profiles/76561198337734785#!/compare/1552521600/1552608000

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

Sales:

9,9,10,10