Such an underrated hat

Sale 1

http://www.tf2outpost.com/trade/22792495 - Sold for a B.M.O.C (11*0.9 = 10 keys)

Sale 2

http://www.tf2outpost.com/trade/22711673 - Sold for a Steaming One-Man Army (13.5*0.9 = 12 keys)

Mini for the Steaming One-Man Army

http://backpack.tf/vote/id/54361fb0b88d88ef588b4a1c

Sale 3

http://www.tf2outpost.com/trade/22141128 - Sold for a Bubbling Sergeant's Drill Hat (1.2*0.9 = 1.1 buds) (Outlier)

Mini for the Bubbling Sergeant's Drill Hat

http://backpack.tf/vote/id/54362381ba8d880e1e8b4c11

Sellers

http://www.tf2outpost.com/trade/22990286 - 15 keys

http://www.tf2outpost.com/trade/23051590 - 17 keys

Feel free to counter / support my proofs.