Solds/Offers/Buyers at 2.66-3 ref and above:

http://www.tf2outpost.com/trade/14516088 buying with a carbonado knife (2.66 ref)

http://bazaar.tf/trade/396066 buying for 2.66 ref

http://www.tf2outpost.com/trade/14531585 2.66 ref sold

http://www.tf2outpost.com/trade/14509340 3 ref sold

http://www.tf2outpost.com/trade/14416562 3 ref sold

http://www.tf2outpost.com/trade/14514018 offer of strange pistol + 1 ref (3 ref)

http://www.tf2outpost.com/trade/14461937 bought one for 3.55 ref

Sold Quick at 2.33-2.55 ref:

http://www.tf2outpost.com/trade/14516233 has an interested buyer in 4 hours for 2.33 ref

Unsuccessful Buyers at 2.33-2.55 ref:

None, autpost is flooded with lowballs and I've found buyers buying for 2.66 ref or above