Do you know this hat was released in the first community update?

Sale 1

http://www.tf2outpost.com/trade/22287343 - Sold for a Green Energy Bloke's Bucket Hat, added 1 bud (2.4*0.9 - 1 = 1.2 buds) (Outlier)

Sale 2

http://www.tf2outpost.com/trade/22156513 - Sold for a Dead Presidents Brigade Helm (1.6*0.9 = 1.4 buds)

Sale 3

http://www.tf2outpost.com/trade/20499985 - Sold for a Strange Festive Sticky Launcher (16 keys), Strange Festive Grenade Launcher (6 keys), Strange Pan (9 keys) and Blood Botkiller Sticky Launcher (2.5 keys) (33.5*0.9 = 30 keys = 1.6 buds)

Sale 4

http://www.tf2outpost.com/trade/21975737 - QS for 1 bud

Feel free to counter / support my proofs.