This needs a drop.

Classified ads at the time of posting:

Page 1 - http://m.imgur.com/GMV8Lhr

Page 2 - http://m.imgur.com/OJncx5W

http://backpack.tf/classifieds?item=Festive+Revolver&quality=11&tradable=1&craftable=1&australium=-1

1*14.33 refined

3*14.66 refined

1*14.88 refined

8*15 refined

Unsolds at 15 refined:

http://www.tf2outpost.com/trade/27934281 (~1 week)

http://www.tf2outpost.com/trade/27969974 (Young)

http://www.tf2outpost.com/trade/27964693 (~2 days)

http://www.tf2outpost.com/trade/27576751 (~3 months)

http://www.tf2outpost.com/trade/27864348 (~1 month)

http://www.tf2outpost.com/trade/27909511 (~2 weeks, poorly bumped)

Unsold at 14.88 refined:

http://www.tf2outpost.com/trade/27968203 (Young)

Seller at 14.66 refined:

http://www.tf2outpost.com/trade/27962624 (~2 days old)

This is all I could find on Outpost that are valid at the time of posting this suggestion.