Yes, I know, last suggestion is one day ago, but the price keeps falling.

Sellers for 2.33 refined up to 2.55 refined:

http://backpack.tf/stats/30078/6/0 (2.33 ref.) - 1 seller.

http://www.tf2outpost.com/trade/13733219 (2.33 ref.)

http://www.tf2outpost.com/trade/13697553 (2.33 ref.) - 2 for sale / sold 1

http://www.tf2outpost.com/trade/13737420 (2.33 ref.)

http://www.tf2outpost.com/trade/13742095 (2.33 ref.)

http://www.tf2outpost.com/trade/13724743 (2.33 ref.)

http://www.tf2outpost.com/trade/13737938 (2.55 ref.)

Sellers for 2.66 refined:

http://www.tf2outpost.com/trade/13734711

http://www.tf2outpost.com/trade/13673746

http://www.tf2outpost.com/trade/13738757

http://www.tf2outpost.com/trade/13649926

http://www.tf2outpost.com/trade/13691357

http://www.tf2outpost.com/trade/13692074

http://www.tf2outpost.com/trade/13654915

Unsold for 3 refined:

http://www.tf2outpost.com/trade/13570810 (2.77 ref.) - 6 days

http://www.tf2outpost.com/trade/13694636 - 1 day

http://www.tf2outpost.com/trade/13715316 - 1 day

http://www.tf2outpost.com/trade/13712811 - 1 day

http://www.tf2outpost.com/trade/13714698 - 1 day

http://www.tf2outpost.com/trade/13708002 - 1 day

http://www.tf2outpost.com/trade/13712974 - 1 day

http://www.tf2outpost.com/trade/13688763 - 1 day

http://www.tf2outpost.com/trade/13671252 - 2 days

http://www.tf2outpost.com/trade/13632899 - 4 days

http://www.tf2outpost.com/trade/13637562 - 4 days

http://www.tf2outpost.com/trade/13550048 - 1 week

http://www.tf2outpost.com/trade/13541160 - 1 week

Maybe that hat is too greasy :D