Sale 1:

https://backpack.tf/profiles/76561198120566269#!/compare/1536192000/1536451200

Buyers BP, it was sold with 5 keys for a PE Larrikin [Open sugg at 25.5 keys] so taking 20.5 keys = 21 keys as his current B/O

Sale 2:

https://backpack.tf/profiles/76561198318170190#!/compare/1534550400/1534896000 buyers bp, idk

https://backpack.tf/profiles/76561198337734785#!/compare/1534723200/1534982400 seller, idk -> zol is a qber/qser so does not matter eitherway

Sale 3:

https://backpack.tf/item/241912640

https://marketplace.tf/items/53;5;u11/Massed%20Flies%20Trophy%20Belt dates don't match, but prolly was refreshed later

43,15$ , keys were 1,94$ so 22.24 keys= 22 keys

http://manicbot.me/keyprice/?at=2018-06-24

Sale 4:

https://backpack.tf/profiles/76561198046771552#!/compare/1533340800/1533945600 buyer's bp, idk, again zol so nvm

Sale 5:

https://backpack.tf/profiles/76561198021055079#!/compare/1533859200/1533945600 i have no clue, he might help me out, sine he's active

Taking 21-22 range