Proof below. Overpay calculated. Original prices used

Sales

http://www.tf2outpost.com/trade/13679185

http://backpack.tf/id/76561198055529515?time=1380006000 --->

http://backpack.tf/id/76561198055529515?time=1380697200

Bubbling Flamenco (1.2-1.5), other guy added 2x Pinks, S. Black Box, Heavies killed part (I think) = 1.2 buds

Side note: Took mid price since it was offered on

http://backpack.tf/id/76561198051324146?time=1378364400 ---> http://backpack.tf/id/76561198051324146?time=1378450800

20 keys (when buds were 21/21-21.5 keys) = Rounds off to 1 bud

Conclusion

2 sales, seems pretty conclusive. Vote accordingly.

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