All credits to Beaser & Shuffle

Only sale we can use!

Eerie Tribo (21)

https://imgur.com/a/WHURk2G

https://backpack.tf/profiles/76561198040186479#!/compare/1543536000/1543708800

18 pure (one key was involved - Tahnks K1ng

https://backpack.tf/profiles/76561198376090993#!/compare/1537142400/1537315200

Better used on the Hot Dogger

https://backpack.tf/profiles/76561198161475081#!/compare/1537315200/1537401600

One more sale found by ShuffleSpy

Sold for Orbiting Fire Lucky Shot

https://backpack.tf/profiles/76561198126672114#!/compare/1543795200/1543881600

Lucky shot mini-

https://backpack.tf/profiles/76561198002757046#!/compare/1543622400/1543708800 - 16 Keys + 21 Refined

https://backpack.tf/profiles/76561198409476297#!/compare/1539993600/1540512000 - 16 Keys + 16 Refined

https://backpack.tf/profiles/76561198034817244#!/compare/1543622400/1543708800 - 15 to a quickbuyer with his Buy Order

https://backpack.tf/profiles/76561198179707937#!/compare/1543104000/1543190400 - Duped Heart Milkman + 1 Key

Milkman mini -

https://backpack.tf/profiles/76561198131270584#!/compare/1542758400/1542844800 - 24 keys

Lucky shot would be 16.5-25 so ~21 keys.

Taking 18 - 21