Sale 1:

28 keys

Vivid Plasma Sinner's Shade(27) + Sweets(1)

https://backpack.tf/profiles/76561198063869295#!/compare/1524009600/1524096000

https://backpack.tf/profiles/76561198361512138#!/compare/1523923200/1524096000

Shade Mini:

Sold for Blizzardy Storm Human Cannonball(27)

https://backpack.tf/profiles/76561198255850609#!/compare/1523491200/1523577600

https://backpack.tf/profiles/76561198360414117#!/compare/1523404800/1523577600

Cannonball Mini:

$52.99 = 27 keys

Keys at 1.94: https://i.imgur.com/jGnnKYZ.png

https://marketplace.tf/items/817;5;u30

Sale 2:

Untraceable

https://backpack.tf/profiles/76561198043783311#!/compare/1522713600/1522886400

https://backpack.tf/profiles/76561198063869295#!/compare/1522627200/1522713600

Sale 3:

24 keys

Sold with 4 keys for Disco Beat Down Stainless Pot(28)

https://backpack.tf/profiles/76561198098102338#!/compare/1519171200/1519257600

https://backpack.tf/profiles/76561197964171516#!/compare/1519084800/1519257600

Sale 4:

22 keys

45-23.5 = 21.5

Sold with an Australium Sniper Rifle(23.5) for Vivid Plasma Caribou Companion(45)

https://backpack.tf/profiles/76561198167416571#!/compare/1518307200/1518393600

https://backpack.tf/profiles/76561198080004660#!/compare/1518307200/1518393600

Caribou mini:

$90 = 45 keys

Keys at 1.99: https://i.imgur.com/pywRzc9.png

https://marketplace.tf/items/30974;5;u16

---------------------------------------------------------------------------------------------------------------

Final: 22-28