Sale 1:

https://backpack.tf/profiles/76561198308819102#!/compare/1538006400/1538179200

https://backpack.tf/profiles/76561198195469825#!/compare/1538179200/1538352000

Sold for ~12 keys

Sale 2:

https://backpack.tf/profiles/76561198195469825#!/compare/1538352000/1538611200

QS to bot?

Sale 3:

https://backpack.tf/profiles/76561198128385353#!/compare/1539734400/1539820800

https://backpack.tf/profiles/76561198073209840#!/compare/1539388800/1539820800

Sold for 17 keys

Sale 4:

https://backpack.tf/profiles/76561198128578694#!/compare/1540252800/1540339200

https://backpack.tf/profiles/76561198073209840#!/compare/1540252800/1540339200

Sold with ~5 keys in sweets for Blizzardy Tylorean

Tyrolean Mini:

https://backpack.tf/suggestion/5c21bd18cf6c75699c1429b6

Suggestion for 18 keys

Total is 3 keys

Sale 5:

https://backpack.tf/profiles/76561198128578694#!/compare/1540598400/1540857600

https://backpack.tf/profiles/76561198142892266#!/compare/1540684800/1540771200

Bulky

Sale 6:

https://backpack.tf/profiles/76561198142892266#!/compare/1540771200/1540857600

https://backpack.tf/profiles/76561198141552639#!/compare/1540339200/1540857600

Prob bulk for Handcraft

Sale 7:

https://backpack.tf/profiles/76561198141552639#!/compare/1540339200/1540857600

Sold for ~11 keys

Sale 8:

https://backpack.tf/profiles/76561198119634686#!/compare/1541203200/1541289600

Sold for 13 keys

Sale 9, 10:

https://marketplace.tf/items/478;5;u62

Sales for 35.46, 35.46 USD

Keys at 1.84, 1.80 USD

Totals are 19.27, 19.70 keys

Total sales @:

11, 12, 13, 13, 17, 19.27, 19.70 keys

Taking 12 - 20 keys.