This is a one of one hat

http://www.tf2outpost.com/trade/13701170

Sold with 1 bud + black bills for V. Max(~11.5)

11.5 - 1.3 = ~10.2 buds

Proof: http://backpack.tf/id/76561198070166481?time=1376809200 -> http://backpack.tf/id/76561198070166481?time=1376895600

Additionally, it was bought with a time warp wraith wrap(~9.5)

http://www.tf2outpost.com/trade/13776058

Sold for Roboactive Headwarmer

http://www.tf2outpost.com/trade/13528023

Sold for G. Fetti Stash(~1.8) + O. Fire Cold Killer(~2.7) + Secret Counterfiet Billycock(~5) = ~9.5 buds

BP After selling: http://backpack.tf/id/76561198029989128?time=1376636400

http://www.tf2outpost.com/trade/12734607

Sold with 10 buds for Cloud 9 Executioner

Proof: http://backpack.tf/id/76561198066052184?time=1373958000 -> http://backpack.tf/id/76561198066052184?time=1374044400