Proof below. Overpay calculated. Original prices used

Sales

http://backpack.tf/profiles/76561198056793885?time=1399618800 ---> http://backpack.tf/profiles/76561198056793885?time=1399705200

Spec KS. Aussie Scatter + ~17 keys in items = 2.7 buds

http://backpack.tf/profiles/76561198055338023?time=1399618800 ---> http://backpack.tf/profiles/76561198055338023?time=1399705200

http://www.tf2outpost.com/trade/19492487

http://backpack.tf/profiles/76561198048615243?time=1399618800 ---> http://backpack.tf/profiles/76561198048615243?time=1399705200

Added a Vivid Mullet + Prof. KS 'Nade Kit for a Searing Tree = <1.5 buds (outlier)

http://backpack.tf/profiles/76561198042185684?time=1398150000 ---> http://backpack.tf/profiles/76561198042185684?time=1398668400

Spec. KS SF RL = 1.8 buds (Using the guy's price: http://www.tf2outpost.com/trade/19496831 )

http://backpack.tf/profiles/76561197968425574?time=1398322800 ---> http://backpack.tf/profiles/76561197968425574?time=1398409200

Miami Milkman (?) = 2.4 buds (Can't confirm sale :/ )

Help / Constructive Criticism / Additional Proof / Counter-Proof is ALWAYS welcome! >;3