This needs a drop.

Classified ads at time of posting:

http://backpack.tf/classifieds/?item=Festive%20Scattergun&quality=6&tradable=1&craftable=1

2*1.15 keys

3*1.2 keys (2 has killstreak)

1*1.23 keys

2*1.25 keys (1 has exorcism)

2*25 refined

1*25.05 refined

3*1.3 keys (1 has killstreak)

Sale at 1.3 keys:

http://www.tf2outpost.com/trade/25620876

Seller at 1 key and 5 refined (1.25 keys):

http://www.tf2outpost.com/trade/25627344 (Has exorcism, 1 day old)

Sellers at 1 key and 4 refined (1.2 keys):

http://www.tf2outpost.com/trade/25641508 (Has 2, young)

http://www.tf2outpost.com/trade/25638062 (Young)

http://www.tf2outpost.com/trade/25635079 (Has killstreak, young)

This is all I could find on Outpost that are valid