Pretty much next to none on the market that are unpainted and has a price.

Buyers:

http://www.tf2outpost.com/trade/18426952 4.33

http://www.tf2outpost.com/trade/18092736 4.33

http://www.tf2outpost.com/trade/18688241 4 ref

http://www.tf2outpost.com/trade/18703270 4 ref

http://www.tf2outpost.com/trade/19350956 4 ref

http://www.tf2outpost.com/trade/18651711 4 ref

http://www.tf2outpost.com/trade/15823464 4 ref

http://www.tf2outpost.com/trade/19310653 4 ref

http://www.tf2outpost.com/trade/17905273 4 ref

http://www.tf2outpost.com/trade/19404550 4 ref (bought)

Offers:

http://www.tf2outpost.com/trade/2715978 Recieved a 4 ref offer, a 4.33, and a 1 key offer

http://www.tf2outpost.com/trade/17275655 Recieved several 4 ref offers (probably a troll trade)

http://www.tf2outpost.com/trade/18707533 4.33 offer

Sold:

http://www.tf2outpost.com/trade/19178462 5 ref

http://www.tf2outpost.com/trade/19421822 4 ref sold in a bump

http://www.tf2outpost.com/trade/19369899 Sold for 4 ref quick (Thanks to Great job. Good job, wait)

http://www.tf2outpost.com/trade/19421822 4 ref sold in a bump