I warned that I would counter-suggest, he didn't heed it. So counter-suggestion.

My Research

http://www.tf2outpost.com/trade/15648845 - 1 ref

http://www.tf2outpost.com/trade/15615007 - offered 1 ref

http://www.tf2outpost.com/trade/15619259 - sold 1 ref

http://www.tf2outpost.com/trade/15647289 - 1.33

http://www.tf2outpost.com/trade/15621716 - sold 1.33

http://www.tf2outpost.com/trade/15365443 - offered 1.33<--Best offer I ever saw.

http://www.tf2outpost.com/trade/15546956 - 1.33 4 days

http://www.tf2outpost.com/trade/15621716 - 1.33 1 day

http://www.tf2outpost.com/trade/15594767 - 1.33 1 day

http://www.tf2outpost.com/trade/15506492 - 1.44 6 days

http://www.tf2outpost.com/trade/15599120 - sold 1.66

http://www.tf2outpost.com/trade/15619402 - sold 1.66

http://www.tf2outpost.com/trade/15564921 - 1.66

http://www.tf2outpost.com/trade/15646562 - 2 ref

http://www.tf2outpost.com/trade/15586263 - sold 2 ref appears to be an oulier considering lower sellers and unsold 2 ref

http://www.tf2outpost.com/trade/15646004 - 2 ref

http://www.tf2outpost.com/trade/15626173 - 2 ref

http://www.tf2outpost.com/trade/15581924 - 2 ref 2 days

http://www.tf2outpost.com/trade/15539658 - 2 ref 4 days

http://www.tf2outpost.com/trade/15514877 - 2 ref 5 days

http://www.tf2outpost.com/trade/15507740 - 2 ref 6 days

http://www.tf2outpost.com/trade/15416070 - 2 ref 1 week

http://www.tf2outpost.com/trade/15433444 - 2 ref 1 week

1.33-1.66 because sales happen at that area and more reasonable.

Feel free to counter / support my proof.