Sale #1(Calling this an outlier)

http://www.tf2outpost.com/trade/19270416

Sold for 19 keys pure

Backpack of seller

http://backpack.tf/profiles/76561198069476584?time=1398322800 Before

http://backpack.tf/profiles/76561198069476584?time=1398495600 After

Backpack of buyer

http://backpack.tf/profiles/76561198080794978?time=1398409200 Before

http://backpack.tf/profiles/76561198080794978?time=1398512492 After

Total: ~1 bud

Sale #2

http://www.tf2outpost.com/trade/19236885

Sold for Purple Energy Steel Toe(1.6 * 0.9 = ~1.4 buds) + ~1 key in sweets

Backpack of seller

http://backpack.tf/profiles/76561198019491893?time=1397718000 Before

http://backpack.tf/profiles/76561198019491893?time=1397890800 After

Backpack of buyer

http://backpack.tf/profiles/76561198118683490?time=1397804400 Before

http://backpack.tf/profiles/76561198118683490?time=1397957377 After

Total: ~1.5 buds

Sale #3

http://www.tf2outpost.com/trade/19322742

http://www.tf2outpost.com/trade/19262125

Traded this + Bill's hat painted gold(6.22 keys) for Bubble Pipe Dead Presidents(1.95 buds)

Backpack of seller

http://backpack.tf/profiles/76561198118683490?time=1397977200 Before

http://backpack.tf/profiles/76561198118683490?time=1398063600 After

Backpack of buyer

http://backpack.tf/profiles/76561198010082723?time=1397804400 Before

http://backpack.tf/profiles/76561198010082723?time=1398040356 After

Total: ~1.6 buds

Invalid sale

Sale #4

http://www.tf2outpost.com/trade/20223574

Sold for Strange Professional Killstreak Gunslinger(Not going to price this)