Darn this thing is hard to price. 1.66 ref is not included in the range because many people are selling it for 1.55 ref and are unsuccessful. 1.33 ref seems like the most accurate price at the moment.

Selling for 1 ref

http://www.tf2outpost.com/trade/15614113 Sold quickly.

http://tf2tp.com/trade.php?trade=9883269 Sold quickly.

Selling for 1.33 ref

http://www.tf2outpost.com/trade/15645132 Never sold.

http://www.tf2outpost.com/trade/15636949 Unsold.

http://www.tf2outpost.com/trade/15621809 Sold.

Selling for 1.66 ref

http://www.tf2outpost.com/trade/15598521 Not in bp.

http://www.tf2outpost.com/trade/15595386 Not in bp.

Sold for 2.33 ref

http://www.tf2outpost.com/trade/15601710 Outlier? Not in bp.