None in classifieds, only a page and a half on outpost

http://www.tf2outpost.com/trade/9805354

added for selling allies at 2 quite often (sold out, sold at least twice in the last day)

http://www.tf2outpost.com/trade/10384079

willing to sell at 1.66

http://www.tf2outpost.com/trade/10412445

selling for 1.66

http://www.tf2outpost.com/trade/1584207

got an offer of 2 ref for allies

http://www.tf2outpost.com/trade/10327937

added twice for allies at 2 ref

http://www.tf2outpost.com/trade/10404969

offer of 2 for allies

soo... 1.66 still very well is possible, but people also get offered 2 ref, so I think that should be part of the range.