Sale 1:

https://backpack.tf/profiles/76561198390079247#!/compare/1549756800/1550707200

https://backpack.tf/profiles/76561198278463603#!/compare/1549584000/1549756800

Sold with 6 keys for Searing Airdog

Airdog Mini:

https://backpack.tf/suggestion/5cd144b367807237977e1104

Suggestion for 15 keys

Total is 9 keys

sale 2:

https://backpack.tf/profiles/76561198278463603#!/compare/1550016000/1550102400

https://backpack.tf/profiles/76561198068334298#!/compare/1550016000/1550102400

Sold for 9 keys

Sale 3:

https://backpack.tf/profiles/76561198068334298#!/compare/1550016000/1550102400

https://backpack.tf/profiles/76561198086990597#!/compare/1550016000/1550102400

Sold for Cyclone Skullcracker + ~5.5 keys in sweets

Skullcracker Mini:

https://backpack.tf/suggestion/5cd2551ed381721aba6a3693

Suggestion for 4.5 keys

Total is 10 keys

Sale 4:

https://backpack.tf/profiles/76561198083134207#!/compare/1550707200/1550793600

https://backpack.tf/profiles/76561198139509547#!/compare/1550793600/1551139200

Sold for 12 keys

Sale 5:

https://marketplace.tf/items/521;5;u57

Buy order

$24.99 / $1.8 = 13.88 keys

Total sales @:

9, 9, 10, 12, 13.88 keys

Buyers at 9 keys,

taking 10 - 14 keys