How hasn't the skull fallen off yet? (SO MANY BLOODY PROF KILLSTREAKS)

Sellers/Solds:

http://www.tf2outpost.com/trade/22185258 - Selling for 3 ref

http://www.tf2outpost.com/trade/22226514 - Selling for 3 ref.

http://www.tf2outpost.com/trade/21928840 - Sold 5 of them for 4 refined. Selling 3 currently

http://www.tf2outpost.com/trade/22195804 - Selling for 5 ref. (Kinda unbumped and only has a few offers though)

http://www.tf2outpost.com/trade/21930870 - Selling for 4 ref (also unbumped) has had a few offers.

Since many of them are prof killstreak there is almost no proof. So I shall try get more :D

Classifieds:

- 1x 5 ref

The other two are prof ks (far out)

http://backpack.tf/classifieds/?item=Bat%20Outta%20Hell&quality=13&tradable=1&craftable=1

Feedback would be great