Choo Choo. Car 27.

Sale 1:

https://backpack.tf/profiles/76561198156315732#!/compare/1533600000/1533772800

https://backpack.tf/profiles/76561198195582942#!/compare/1526169600/1533772800

Sold for TW Noble(19.5) + Showstopper(15.5)

Total is 35 keys

Sale 2:

https://backpack.tf/profiles/76561198253093948#!/compare/1533686400/1533772800

https://backpack.tf/profiles/76561198299056151#!/compare/1533772800/1534464000

Sold for 27 keys

Sale 3:

https://backpack.tf/profiles/76561198313538268#!/compare/1531699200/1531872000

https://backpack.tf/profiles/76561198155340712#!/compare/1531526400/1531872000

Sold for 25 keys(?)

Sale 4:

https://backpack.tf/profiles/76561198080661378#!/compare/1535932800/1536105600

https://backpack.tf/profiles/76561197992890851#!/compare/1536019200/1536105600

QS?

Sale 5:

https://backpack.tf/profiles/76561197992890851#!/compare/1536105600/1536192000

https://backpack.tf/profiles/76561198267226056#!/compare/1536105600/1536192000

Sold for 23 keys

Sale 6:

https://backpack.tf/profiles/76561198247506222#!/compare/1536105600/1536192000

https://backpack.tf/profiles/76561198337734785#!/compare/1536105600/1536192000

QS

Sale 7:

https://backpack.tf/profiles/76561198169132553#!/compare/1536105600/1536192000

https://backpack.tf/profiles/76561198247506222#!/compare/1536105600/1536192000

Sold for Aussie RL(32)

Sale 8:

https://backpack.tf/profiles/76561198267226056#!/compare/1536105600/1536192000

https://backpack.tf/profiles/76561198169132553#!/compare/1536105600/1536192000

Sold for Eerie Tyrannus

Tyrannus Mini:

https://backpack.tf/suggestion/5b995fe1cf6c756d862c20d6

Suggestion for 21 keys

Sale 9:

https://marketplace.tf/items/445;5;u62

Close to buy orders, not using.

Sale 10:

https://backpack.tf/profiles/76561198337734785#!/compare/1536192000/1536278400

https://backpack.tf/profiles/76561198091502579#!/compare/1536192000/1536278400

Sold for 22 keys (Sold within minutes)

Sale 11:

https://backpack.tf/profiles/76561198189177226#!/compare/1517529600/1529020800

https://backpack.tf/profiles/76561198076658566#!/compare/1528934400/1529020800

Sold for Smoking Salty Dog

use there.

Total sales @:

21, 22, 23, 25, 27, 32, 35 keys

Considering how fast 22 sold,

https://i.imgur.com/UHQXr0G.jpg

Seller at 27 (duped)

https://backpack.tf/item/1833962340

Taking 23 - 27 keys.