Time to raise this a bit.

Sales for 3 refined:

http://www.tf2outpost.com/trade/13498735

http://www.tf2outpost.com/trade/13489247

http://www.tf2outpost.com/trade/13482353 (has an add)

http://www.tf2outpost.com/trade/13471771

http://www.tf2outpost.com/trade/13457857

http://www.tf2outpost.com/trade/13455287 (not in inventory)

http://www.tf2outpost.com/trade/13448619

http://www.tf2outpost.com/trade/13448125 (3 ref asking price shown on trade.tf but not on outpost)

http://www.tf2outpost.com/trade/13446925

Some quick sales below suggested range:

http://www.tf2outpost.com/trade/13484614 (sold for 2.66 within an hour).

http://www.tf2outpost.com/trade/13475843 (sold for 2.88 within a few hours)

http://www.tf2outpost.com/trade/13453919 (sold for 2.88 within a few hours)

Unsuccessful buyers (that aren't resellers):

http://www.tf2outpost.com/trade/13489078 (2.88)

http://www.tf2outpost.com/trade/13448008 (2.66)

http://www.tf2outpost.com/trade/13476994 (2.66)

http://www.tf2outpost.com/trade/13255190 (2.66)

http://www.tf2outpost.com/trade/13171156 (2.66)

Buyers at 3 refined:

http://www.tf2outpost.com/trade/13501295

http://www.tf2outpost.com/trade/13496166

http://www.tf2outpost.com/trade/13495328

http://www.tf2outpost.com/trade/13491758

http://www.tf2outpost.com/trade/13487298

http://www.tf2outpost.com/trade/13486018 (bought for a f. grenade launcher, valued at 3.00)

http://www.tf2outpost.com/trade/13478910

http://www.tf2outpost.com/trade/13347374