current b/os:

http://www.tf2outpost.com/trade/14224090 1 bud

http://www.tf2outpost.com/trade/14218422 1.05 buds

http://www.tf2outpost.com/trade/14228288 21 keys

http://www.tf2outpost.com/trade/11349072 1 bud (2 months old)

http://www.tf2outpost.com/trade/14270425 1 bud + sweets

http://www.tf2outpost.com/trade/14097890 1 bud

current best offers

http://www.tf2outpost.com/trade/14218422 18 keys

http://www.tf2outpost.com/trade/11349072 couple adds that never happened

http://www.tf2outpost.com/trade/14097890 17 keys

sales

http://www.tf2outpost.com/trade/13984253 added 5 keys to a steaming plunger for it, this came up in the plunger suggestion and comes to ~17-18 depending on how you value the plunger

http://www.tf2outpost.com/trade/13765619 next owner offered 15 keys and hid but there was another offer 16+ and an "added"

http://www.tf2outpost.com/trade/13506458 added "tiny bit" for steaming trilby (1.1-1.3)

http://www.tf2outpost.com/trade/14176111 15 keys (quicksale)

conclusion: everybody on earth wants 1 bud for it, offers surprisingly get pretty close and sales happen all over the place