The last price successful price suggestion for this hat was three months ago, and evidence on Outpost suggests that this price is inaccurate. Please note that all unusual prices are according to this website.

http://www.tf2outpost.com/trade/11661458

A Purple Energy Hetman's Headpiece (1.2-1.3 buds) 1:1, is visible, with the seller declining the offer.

http://www.tf2outpost.com/trade/7872786

Same person offers the Headpiece, but asks for the seller to add. (This same offer appears in the third link). An offer of 1 bud pure is visible, as is a 1 bud 5 key offer, a Nuts n' Bolts Le Party Phantom (24-27 keys), a 1 bud pure offer,

http://www.tf2outpost.com/trade/11697743

The Hetman's Headpiece offer I mentioned in the second link? That offer was declined. A 1 bud pure offer is visible.