Proof below. Overpay calculated. Original prices used

Sales

http://backpack.tf/id/76561198051882437?time=1388304000 ---> http://backpack.tf/id/76561198051882437?time=1388390400

Roughly a Miami Slopers = 4.5 buds

http://www.tf2outpost.com/trade/16193211

http://backpack.tf/id/76561198061442761?time=1387094400 ---> http://backpack.tf/id/76561198061442761?time=1387180800

3 buds + 10 keys = 3.6 buds

http://backpack.tf/id/76561198069896895?time=1385884800 ---> http://backpack.tf/id/76561198069896895?time=1385971200

GBH LED, other guy added 6 keys = 6.5 buds (outlier)

http://backpack.tf/id/76561198061859081?time=1385971200 ---> http://backpack.tf/id/76561198061859081?time=1386057600

http://www.tf2outpost.com/trade/15964609 - Harvest Ketche = 3.1 buds

http://www.tf2outpost.com/item/440,2167048082 ---> http://www.tf2outpost.com/item/440,2245186269

My sale: Blizz Phantom = 2.3 buds (outlier)

Side note: He offered on it, so mid price taken. Also inventory history isnt loading ;.; So couldn't take a screenie

Conclusion

So I'd say lowest and highest sales are outliers, so Ill incorporate the other sales into the range. Vote accordingly.

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