Sale 1:

https://backpack.tf/profiles/76561198011234844#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198064646061#!/compare/1567814400/1567900800

Bulk

sale 2:

https://backpack.tf/profiles/76561198119408257#!/compare/1561593600/1561680000

https://backpack.tf/profiles/76561198305494036#!/compare/1561593600/1561680000

QS

sale 3:

https://backpack.tf/profiles/76561198305494036#!/compare/1561939200/1562025600

https://backpack.tf/profiles/76561198058776563#!/compare/1561766400/1562025600

Sold for ~34 keys

Sale 4:

https://backpack.tf/profiles/76561198058776563#!/compare/1564876800/1565222400

https://backpack.tf/profiles/76561198014728963#!/compare/1565654400/1565740800

Untrace

Sale 5:

https://backpack.tf/profiles/76561198014728963#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198201938224#!/compare/1565654400/1565740800

Sold for ~36 keys

Sale 6:

https://backpack.tf/profiles/76561198201938224#!/compare/1566172800/1566432000

https://backpack.tf/profiles/76561198201364639#!/compare/1566259200/1566345600

Keys

Sale 7:

https://backpack.tf/profiles/76561198201364639#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198305494036#!/compare/1566518400/1566604800

QS

Sale 8:

https://backpack.tf/profiles/76561198125082986#!/compare/1561507200/1566432000

https://backpack.tf/profiles/76561198342161127#!/compare/1561507200/1561593600

QS

sale 9:

https://backpack.tf/profiles/76561198342161127#!/compare/1561766400/1561852800

https://backpack.tf/profiles/76561198257064567#!/compare/1561680000/1561852800

Sold with 4 keys for OF France

use there

https://bot.tf/stats/listings/Y3KNG60Y

B/O of 36 keys

sale 10:

https://backpack.tf/profiles/76561198257064567#!/compare/1561852800/1561939200

https://backpack.tf/profiles/76561198244596240#!/compare/1561852800/1561939200

Sold with 12 keys for HG Deep Cover(52)

Total is 40 keys

https://bot.tf/stats/listings/M0R7QQV4

B/O of 36 keys, capping

Sale 11:

https://backpack.tf/profiles/76561198244596240#!/compare/1561939200/1562025600

https://backpack.tf/profiles/76561198025940507#!/compare/1562025600/1562198400

Sold for GE Bonnet

use there

https://bot.tf/stats/listings/4KK270N4

B/O of 34 keys

Sale 12:

https://marketplace.tf/items/tf2/480;5;u89

$72.22 / $1.83 = 39.46 keys

Total sales @:

34, 36, 36, 39.46 keys

taking 34 - 39 keys