Present some evidence for your consideration.

http://www.tf2outpost.com/trade/12534938> sold one for Killer Exclusive Effect: Bubbling 3.6-4 buds.

http://www.tf2outpost.com/trade/12543816> sold one for the unusual light of data mining > http://www.tf2outpost.com/trade/12871239 preliminary B / O 3,4 buds + 1 bud + Bill's hat black http://www.tf2outpost.com/trade/12576679 <you can see the history of these items

http://www.tf2outpost.com/trade/12572214 >current offers Harvest Moon User western wear hidden their own posts.

Strange sgunslinger, strange festive Rocket Launcher, bud, bills, and strange sapper ~ total value ~ 5 buds.

http://www.tf2outpost.com/trade/12903126 > All offers are hidden owner of of trade.

offered price ~ 3 - 4 buds