Sale #1

http://www.tf2outpost.com/trade/18270812

Sold for TF Logo Bonk Helm (1 bud * 0.9 = 0.9 buds)

Unable to provide backpack history of both seller and buyer

Total: ~18 keys

Sale #2

http://www.tf2outpost.com/trade/18893369

Sold for 13 keys pure

Backpack of seller

http://backpack.tf/profiles/76561198022041905?time=1396940400 Before

http://backpack.tf/profiles/76561198022041905?time=1397026800 After

Backpack of buyer

http://backpack.tf/profiles/76561198025816026?time=1396940400 Before

http://backpack.tf/profiles/76561198025816026?time=1397110469 After

Total: 13 keys

Sale #3 (Outdated hat and probably will be an outlier)

http://www.tf2outpost.com/trade/18890196

Traded this + Burning Flames Le Party Phantom(9.5 buds) + Sweets(16 Taunt Processors(3.52 refs) + 18 Money Furnaces(3.96 refs) + 11 Bomb Stabilizers(1.21 refs) + 7 KB-808(1.54 refs) + 2 Emotion Detector + 1 Surpression Pump ) for Villain's Veil Electrostatic (outdated)

Backpack of seller

http://backpack.tf/profiles/76561198033767714?time=1396162800 Before

http://backpack.tf/profiles/76561198033767714?time=1396422000 After

Backpack of buyer

http://backpack.tf/profiles/76561198022041905?time=1396076400 Before

http://backpack.tf/profiles/76561198022041905?time=1396209865 After