Sale 1:

https://backpack.tf/profiles/76561198878948902#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561197961779817#!/compare/1565827200/1566000000

https://backpack.tf/profiles/76561198973894950#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561197961779817#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198091342225#!/compare/1566086400/1566172800

Gambling

Sale 2:

https://backpack.tf/profiles/76561198840326971#!/compare/1565827200/1566000000

https://backpack.tf/profiles/76561197994697258#!/compare/1565913600/1566000000

Sold with 5 keys for TW Greased(22)

Total is 17 keys

sale 3:

https://backpack.tf/profiles/76561197994697258#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198183415851#!/compare/1566950400/1567036800

Sold for KaW Fedora(19.5) + ~3 keys in sweets

Total is 22.5 keys

Sale 4:

https://backpack.tf/profiles/76561198154468892#!/compare/1566086400/1566172800

https://backpack.tf/profiles/76561198047421778#!/compare/1566086400/1566172800

Sold for 13 keys

Sale 5:

https://backpack.tf/profiles/76561198047421778#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198877975149#!/compare/1566518400/1566604800

Sold for C9 Reggae + 3 keys

Reggae Mini:

https://backpack.tf/suggestion/5d8315ecd381722d22464198

Suggestion for 15.5 keys

Total is 18.5 keys

Sale 6:

https://backpack.tf/profiles/76561198259369182#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198064816417#!/compare/1565913600/1566000000

Sold for Searing Engineer Cap(16.5)

Sale 7:

https://backpack.tf/profiles/76561198119659243#!/compare/1565481600/1566345600

https://backpack.tf/profiles/76561198245954254#!/compare/1567987200/1568419200

SCM

sale 8:

https://marketplace.tf/items/tf2/30078;5;u60

$35.56 / $1.84 = 19.33 keys

Total sales @:

13, 16.5, 17, 18.5, 19.33, 22.5 keys

gonna call 13 low.

22.5 high,

taking 17 - 19 keys