Proof below. Overpay calculated. Original prices used

Sales

http://backpack.tf/profiles/76561198025497223?time=1397545200 ---> http://backpack.tf/profiles/76561198025497223?time=1397631600

GE Phantom + Beams Trophy = 11.5 buds (outlier)

http://backpack.tf/profiles/76561198076309911?time=1397545200 ---> http://backpack.tf/profiles/76561198076309911?time=1397631600

http://backpack.tf/profiles/76561198076309911?time=1397977200# ---> http://backpack.tf/profiles/76561198076309911?time=1398322800

GE Kabuto + 2 buds + 15 keys = 8.5 buds

http://www.tf2outpost.com/trade/19785122 - Burning Capo = 5.8 buds 8 buds (using the B/O, I think the Capo sale below is an outlier imo :3)

Mini-suggestion for the Capo:

http://www.tf2outpost.com/trade/18901315 - Gifted GE Rack + Bubbling KE = 6.4 buds

Mini-suggestion for the Rack:

http://www.tf2outpost.com/trade/19374770 - C9 HWNN + S. KS Pan ( http://www.tf2outpost.com/trade/19315486 ~13 keys?) = 4.2 buds

http://backpack.tf/profiles/76561198067872749?time=1396681200 ---> http://backpack.tf/profiles/76561198067872749?time=1396767600

KaW Slope's + 14 keys + Aussie Flame + ~7 keys in items = 4.3 buds

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