Sale 1:

https://backpack.tf/profiles/76561198076020691#!/compare/1563321600/1563408000

https://backpack.tf/profiles/76561198305494036#!/compare/1563321600/1563408000

Sold for ~24 keys

Sale 2:

https://backpack.tf/profiles/76561198305494036#!/compare/1568332800/1568419200

https://backpack.tf/profiles/76561198304302520#!/compare/1568332800/1568419200

Sold for 15 keys(came from elegy, bot owner)

Sale 3:

https://backpack.tf/profiles/76561198014728963#!/compare/1566691200/1566777600

https://backpack.tf/profiles/76561198043936328#!/compare/1566691200/1566777600

Untrace

sale 4:

https://backpack.tf/profiles/76561198190714350#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198216803111#!/compare/1566864000/1566950400

Sold for 18 keys

sale 5:

https://backpack.tf/profiles/76561198216803111#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198278481498#!/compare/1566864000/1566950400

Sold with 6 keys for Blizzardy Exec

use there

Sale 6:

https://backpack.tf/profiles/76561198278481498#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198304302520#!/compare/1567296000/1567382400

Untrace

sale 7:

https://backpack.tf/profiles/76561198054804209#!/compare/1566259200/1566345600

https://backpack.tf/profiles/76561198268399758#!/compare/1566259200/1566518400

SCM

Sale 8:

https://backpack.tf/profiles/76561198268399758#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198002757046#!/compare/1567728000/1567814400

QS / Untrace

Sale 9:

https://backpack.tf/profiles/76561198002757046#!/compare/1568332800/1568419200

https://backpack.tf/profiles/76561198304302520#!/compare/1568332800/1568419200

QS?

Sale 10:

https://marketplace.tf/items/tf2/344;5;u58

$33.76 / $1.83 = 18.45 keys

Total sales @:

15, 18, 18.45, 24 keys

Buyers up to 13 keys,

sellers at 25, 26 keys, both new.

taking 15 - 24 keys, keeping 24 as Exec would support if used here.