sellers-

http://www.tf2outpost.com/trade/19485180 - 4 buds

http://www.tf2outpost.com/trade/19810922 - 3 buds

solds-

http://www.tf2outpost.com/trade/19413453 - qs 2.5 buds

http://www.tf2outpost.com/trade/19545154 - appears to have been sold w/ a terror watt brown bomber and phosphorous pith helm for a phosphorous bomber. 8.5+ 2.8~ + x = 14.5 so the bicorne is 3~

http://www.tf2outpost.com/trade/19448962 - qs 3 buds, cant tell what it sold for

mini for pith-

http://www.tf2outpost.com/trade/19810931 - selling for 3

http://www.tf2outpost.com/trade/19312546 - willing to do 1 bud + 29 keys= 2.6~

conclusion -

a seller for 3 buds and multiple other owners selling for 3 buds or less. an unusual sale at approximately 3 buds~. bumping down to 3 buds.