So here it is again. 1.66 is possible. 2 ref is high-end because there are solds.

Sellers for 1.66:

http://www.tf2outpost.com/trade/12596468

http://www.tf2outpost.com/trade/12587006

http://www.tf2outpost.com/trade/12585477

http://www.tf2outpost.com/trade/12582621

Sold for 1.66:

http://www.tf2outpost.com/trade/12527011

http://www.tf2outpost.com/trade/12591217

Sellers above 1.66:

http://www.tf2outpost.com/trade/12596716 1.88

http://bazaar.tf/trade/301286 1.77

Sold above 1.66:

http://www.tf2outpost.com/trade/12526883 1.88

http://www.tf2outpost.com/trade/12524094 1.88

http://www.tf2outpost.com/trade/12594041 1.77

http://www.tf2outpost.com/trade/12554107 1.88 (misleading trade)

http://www.tf2outpost.com/trade/12553364 1.77

Sold for 2 ref:

http://www.tf2outpost.com/trade/12536544

http://www.tf2outpost.com/trade/12531334

http://www.tf2outpost.com/trade/12548958 Foster facade (1.66) + 0.33

http://www.tf2outpost.com/trade/12526679

http://www.tf2outpost.com/trade/12525979

http://bazaar.tf/trade/298411

BUYERS: (1.66 is not quicksell)

http://www.tf2outpost.com/trade/12422507 1.11, bought 2

http://www.tf2outpost.com/trade/12560582 1 ref, bought 1

That's all for now. Have a nice day!

Opinions are always highly appreciated :D