Sale 1:

https://backpack.tf/profiles/76561198120774019#!/compare/1560038400/1560124800

https://backpack.tf/profiles/76561198267189538#!/compare/1560038400/1560124800

Sold for ~21 keys

Sale 2:

https://backpack.tf/profiles/76561198267189538#!/compare/1560470400/1560556800

https://backpack.tf/profiles/76561198106347845#!/compare/1560556800/1560643200

Sold for 22 keys

Sale 3:

https://backpack.tf/profiles/76561198106347845#!/compare/1560902400/1561075200

https://backpack.tf/profiles/76561198080179568#!/compare/1560988800/1561075200

QS(?)

Sale 4:

https://backpack.tf/profiles/76561198080179568#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198870982686#!/compare/1567123200/1567209600

untrace

Sale 5:

https://backpack.tf/profiles/76561198870982686#!/compare/1567209600/1567296000

https://backpack.tf/profiles/76561198350529327#!/compare/1562630400/1567296000

Untrace

Sale 6:

https://backpack.tf/profiles/76561198350529327#!/compare/1567296000/1567468800

https://backpack.tf/profiles/76561198021055079#!/compare/1567209600/1567296000

QS(?)

Sale 7:

https://backpack.tf/profiles/76561198185059557#!/compare/1564617600/1564790400

https://backpack.tf/profiles/76561198335791307#!/compare/1564704000/1564790400

QS to bot

Sale 8:

https://backpack.tf/profiles/76561198335791307#!/compare/1565568000/1565654400

https://backpack.tf/profiles/76561198257181978#!/compare/1565568000/1565654400

Sold for 22 keys

Sale 9:

https://backpack.tf/profiles/76561198257181978#!/compare/1566518400/1566777600

https://backpack.tf/profiles/76561198002757046#!/compare/1566518400/1566604800

QS

Sale 10:

https://backpack.tf/profiles/76561198002757046#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198016865958#!/compare/1566518400/1566604800

https://bot.tf/stats/listings/M17NOG97

Sold for 15 keys

Sale 11:

https://backpack.tf/profiles/76561198016865958#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198028148177#!/compare/1566691200/1567036800

Sold for ~19 keys

Sale 12:

https://backpack.tf/profiles/76561198811256996#!/compare/1559692800/1559865600

https://backpack.tf/profiles/76561198454615761#!/compare/1559692800/1559865600

QS

Sale 13:

https://backpack.tf/profiles/76561198454615761#!/compare/1562457600/1562544000

https://backpack.tf/profiles/76561198085304366#!/compare/1562544000/1562630400

Sold for 23 keys

Sale 14:

https://backpack.tf/profiles/76561198085304366#!/compare/1562630400/1562716800

https://backpack.tf/profiles/76561198287198615#!/compare/1562630400/1562716800

Untrace

Sale 15:

https://backpack.tf/profiles/76561198257963452#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198028031984#!/compare/1566172800/1566432000

Sold with OF Hedge(~10) + ~2 keys in sweets for Vivid Tundra

use there

Sale 16:

https://marketplace.tf/items/tf2/158;5;u9

$46 / $1.81 = 25.41 keys <-- https://backpack.tf/item/349510960

Total sales @:

15, 19, 21, 22, 22, 23, 25.41 keys

Buyers up to 16 keys,

taking 19 - 23 keys