Very hard to find unpainted. Proof is for unpainted only!

~1 month old price.

Classifieds:

Link - http://backpack.tf/classifieds/search/id/52017b39ba2536fb42000000

Pic - http://i.imgur.com/o3F2wdl.png

2 unpainted at 4,33 (One is also selling on OP ; the link below)

Selling:

http://www.tf2outpost.com/trade/16710019 - 4,33

Solds:

http://www.tf2outpost.com/trade/16656441 - 4 ref Sold within a day

http://www.tf2outpost.com/trade/16658359 - 4,33 ref sold

http://www.tf2outpost.com/trade/16579218 - 4,33 ref sold (check comments)

http://www.tf2outpost.com/trade/16656881 - 5 ref sold, not in bp

http://www.tf2outpost.com/trade/16679384 - 5 ref sold -> http://i.imgur.com/AXCQ6pN.png

Currently none unpainted ones avaliable at 4 ref. Narrowing the range a bit. :P