This'll join the craft pile soon.

Proof:

Classies:

http://backpack.tf/classifieds/search/id/525738714cd7b8c16e8b4568 (1 at 1.55, lots and 1.66)

Outpost:

Unsold:

2 ref:

http://www.tf2outpost.com/trade/15081083 (<1 day)

http://www.tf2outpost.com/trade/15044666 (2 days)

http://www.tf2outpost.com/trade/15093592 (<1 day)

http://www.tf2outpost.com/trade/15079460 (<1 day)

http://www.tf2outpost.com/trade/15063176 (1 day)

http://www.tf2outpost.com/trade/15081264 (<1 day)

http://www.tf2outpost.com/trade/15093369 (<1 day)

http://www.tf2outpost.com/trade/14986065 (4 days)

http://www.tf2outpost.com/trade/14982674 (5 days)

http://www.tf2outpost.com/trade/15074619 (1 day)

http://www.tf2outpost.com/trade/15085702 (<1 day)

Selling:

1.66 ref:

http://www.tf2outpost.com/trade/15081568 (<1 day)

http://www.tf2outpost.com/trade/15094714 (Sold)

http://www.tf2outpost.com/trade/15090585 (<1 day)

http://www.tf2outpost.com/trade/15089001 (<1 day)

http://www.tf2outpost.com/trade/15086450 (Sold)

http://www.tf2outpost.com/trade/15084264 (<1 day)

http://www.tf2outpost.com/trade/15077963 (<1 day)

http://www.tf2outpost.com/trade/15075007 (1 day)

http://www.tf2outpost.com/trade/15073257 (1 day)

http://www.tf2outpost.com/trade/15073188 (1 day)

http://www.tf2outpost.com/trade/15072984 (Sold)

http://www.tf2outpost.com/trade/15070968 (Sold)

http://www.tf2outpost.com/trade/15064948 (Sold)

LOTS of 1.66 ref sellers. 2 ref no longer needs to be in the range.