Pricing this.

2 on market, no current offers. These are past sales of one of them though.

http://www.tf2outpost.com/trade/11658126

Sold - 2 Buds

http://www.tf2outpost.com/trade/12007492

Sold - Orb Planets Pith Helm + Bubbles Master Belt

1 + 0.8 - 1.8

http://www.tf2outpost.com/backpack/301692 - Proof of sale / purhase (Check trade history on the belt and helmet)

http://www.tf2outpost.com/trade/12068900

Sold - Blizz Blighted Beak (2.1)

http://www.tf2outpost.com/trade/12179744 - Proof of purchase / sale (Beak history to tyrantium history)

Only recorded sales making this suggestion up. So, the three fit perfectly at an average of 2 buds per sale.