Sale 1:

https://backpack.tf/profiles/76561198067893369#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198060730062#!/compare/1566777600/1567382400

Bulk

Sale 2:

https://backpack.tf/profiles/76561198352542792#!/compare/1565913600/1566086400

https://backpack.tf/profiles/76561198838788284#!/compare/1566000000/1566086400

Bulk

sale 3:

https://backpack.tf/profiles/76561198838788284#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198267589362#!/compare/1566604800/1566691200

Bulk

sale 4:

https://backpack.tf/profiles/76561198267589362#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198156255538#!/compare/1566777600/1566864000

Sold for ~15 keys

sale 5:

https://backpack.tf/profiles/76561198156255538#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198000326258#!/compare/1567296000/1567382400

Sold with 2 keys for Max Head((22)

Total is 20 keys

Sale 6:

https://backpack.tf/profiles/76561198000326258#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198362264909#!/compare/1568160000/1568246400

Bulk

Sale 7:

https://backpack.tf/profiles/76561198362264909#!/compare/1568160000/1568246400

https://backpack.tf/profiles/76561198377165880#!/compare/1568160000/1568246400

Sold for 13 keys

Sale 8:

https://backpack.tf/profiles/76561198052478490#!/compare/1564358400/1564444800

https://backpack.tf/profiles/76561198064446658#!/compare/1564099200/1564358400

Bulk

sale 9:

https://backpack.tf/profiles/76561198064446658#!/compare/1564531200/1565136000

https://backpack.tf/profiles/76561198021055079#!/compare/1564444800/1564531200

Sold with C9 Mong for FoD Conga

Conga Mini:

https://backpack.tf/suggestion/5d884775d3817271110953cb

Suggestion for 21 keys

Mong Mini:

https://backpack.tf/suggestion/5d882ff4d38172646677701e

Suggestion for 7.25 keys

Total is ~14 keys

Sale 10:

https://backpack.tf/profiles/76561198021055079#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198119550005#!/compare/1566777600/1566864000

Sold for Mallard Gilded + 2 keys

use there

Sale 11:

https://backpack.tf/profiles/76561198119550005#!/compare/1568505600/1568764800

https://backpack.tf/profiles/76561198859721638#!/compare/1568592000/1568678400

Sold with Cyclone Pipes for KaW Cotton

use there

Total sales @:

13, 14, 15, 20 keys

Sellers down to ~15 keys,

taking 13-15 keys.