4 month-old price.

Sales:

http://www.tf2outpost.com/trade/17904970

-wanted 4 buds

-sold for 3 buds+unknown amount of keys in the end (sold the v. bills)

http://www.tf2outpost.com/trade/18908626

-sold for 3.5 buds: http://www.tf2outpost.com/trade/18875686

http://www.tf2outpost.com/trade/18386817

-sold for 3.5 buds

http://www.tf2outpost.com/trade/16287903

-sold for 4 buds

http://www.tf2outpost.com/trade/18301024

-b/o of 4.5 buds

-sold for 80 keys considering this as 4 buds since both considered it as that

http://www.tf2outpost.com/trade/17310554

-wanted 3.5 buds

-sold for terror lucky shot+terror fruit+loads of sweets=3.5 buds due to price

Current trades:

http://www.tf2outpost.com/trade/18663060

-wants 4.5 buds

-no notable offers

Sales: 3.5, 3.5, 3.5, 4, 4

Simple range. Sales at 3.5 are common and look fairly easy. The high end of 4 takes a while to sell (a month) but still possible evidently.