It's just a reskin of Ellis Cap...

Sale 1

http://www.tf2outpost.com/trade/22001378 - Sold for a Orbiting Fire A Rather Festive Tree (1.7*0.9 = 1.5 buds)

Sale 2

http://www.tf2outpost.com/trade/21934173 - Sold for a Miami Nights Grenadier's Softcap (2*0.9 = 1.8 buds)

Sale 3

http://www.tf2outpost.com/trade/21866124 - Sold for a Genuine Grandmaster (1.5 buds). No overpay.

Sale 4

http://www.tf2outpost.com/trade/21803674 - Sold for a Kill-a-Watt Hat of Cards (2.2*0.9 = 2 buds) (Outlier)

Sellers

http://www.tf2outpost.com/trade/22535735 - 1.8 buds

http://www.tf2outpost.com/trade/22189927 - 1.9 buds

http://www.tf2outpost.com/trade/22513683 - 2 buds

http://www.tf2outpost.com/trade/22399151 - 2 buds

Feel free to counter / support my proofs.