Choo Choo. Car 19.

Sale 1:

https://backpack.tf/profiles/76561198267589362#!/compare/1533859200/1533945600

https://backpack.tf/profiles/76561198439812057#!/compare/1533859200/1533945600

Sold for Miami Elfin + Steaming Bombing Run + ~1 key in sweets

http://www.tf2outpost.com/trade/29739422

B/O of 24 keys

Bombing Mini:

https://backpack.tf/suggestion/5b734b1b44325a1ff34f6e94

Suggestion for 8.25 keys

Elfin Mini:

https://backpack.tf/suggestion/5b735158cf6c753c74089eab

Suggestion for 15 keys.

Total is 23.25 keys

Sale 2:

https://backpack.tf/profiles/76561198439812057#!/compare/1533945600/1534032000

https://backpack.tf/profiles/76561198032363668#!/compare/1533945600/1534032000

Sold for Mallard Tin Topi + 9 keys

Topi Mini:

https://backpack.tf/suggestion/5b71513344325a01fa5db1de

Suggestion for 16 keys

Total is 25 keys.

Sale 3:

https://backpack.tf/profiles/76561198032363668#!/compare/1533945600/1534032000

https://backpack.tf/profiles/76561198314020407#!/compare/1533427200/1534032000

Sold with 2 keys for Insomnia Spartan

Use there.

Sale 4:

https://backpack.tf/profiles/76561198267589362#!/compare/1533686400/1533859200

Untrace.

Total sales @:

23.25, 25

Taking 23 - 25 keys.