Updating the price. See proof below:

Selling for 0.33 ref:

http://www.tf2outpost.com/trade/8838650 (2 adds)

Sold for 0.44 ref:

http://www.tf2outpost.com/trade/8803364

Selling for 0.66 ref:

http://www.tf2outpost.com/trade/8853392 (added)

http://www.tf2outpost.com/trade/8866770 (inactive)

http://www.tf2outpost.com/trade/8871849

Sold for 0.66 ref:

http://www.tf2outpost.com/trade/8812864

Selling for 0.88 ref:

http://www.tf2outpost.com/trade/8813751 (added)

Selling at 1 ref:

http://www.tf2outpost.com/trade/8625911 (a few adds, most recent 10 hours ago)

Sold for 1 ref:

http://www.tf2outpost.com/trade/8298800 (not sure when)

Being offered 0.44 ref:

http://www.tf2outpost.com/trade/7603206

http://www.tf2outpost.com/trade/2012863

http://www.tf2outpost.com/trade/8832853

http://www.tf2outpost.com/trade/8460923

http://www.tf2outpost.com/trade/8910896

Being offered 0.55 ref:

http://www.tf2outpost.com/trade/8702717

Being offered 0.66 ref:

http://www.tf2outpost.com/trade/8743057

http://www.tf2outpost.com/trade/8759921

Being offered 1 ref:

http://www.tf2outpost.com/trade/4495715

Note: There are also lots of 0.33 ref (mostly unsucessful, but there are one or two who manage to get it) which is why the lower range remained at 0.33 ref. 0.66 is possible, but need patience and constant bumping.