Classified listings:

http://backpack.tf/classifieds/search/30007/6/0 - one for 1.33, one for 1.44, three for 1.55 and plenty for 1.66

Unsold for 1.66 ref:

http://bazaar.tf/trade/227792 - 5 days

http://bazaar.tf/trade/227855 - 4 days

http://bazaar.tf/trade/232273 - 1 day

http://bazaar.tf/trade/219899 - 1 week

http://www.tf2outpost.com/trade/11035173 - 4 days

http://www.tf2outpost.com/trade/11108999 - 2 days

http://www.tf2outpost.com/trade/11038122 - 4 days

http://www.tf2outpost.com/trade/11090802 - 2 days

http://www.tf2outpost.com/trade/10989455 - 6 days

http://www.tf2outpost.com/trade/11058110 - 4 days

http://www.tf2outpost.com/trade/11021000 - 5 days

http://www.tf2outpost.com/trade/10936832 - 1 week

http://www.tf2outpost.com/trade/11094366 - 2 days

http://www.tf2outpost.com/trade/10989779 - 6 days

http://www.tf2outpost.com/trade/11059725 - 4 days

http://www.tf2outpost.com/trade/11070906 - 3 days

Selling for - 1.44:

http://www.tf2outpost.com/trade/11182929

http://www.tf2outpost.com/trade/11068931

Other sellers:

http://www.tf2outpost.com/trade/11180172 - 1:1 with listed miscs (2 of them worth 1.33)

Buyers:

http://www.tf2outpost.com/trade/11043849 - one offer of 1.55

http://www.tf2outpost.com/trade/11007848 - buying for 1.33, one offer

http://www.tf2outpost.com/trade/10935320 - buying for 1.33, one offer

http://www.tf2outpost.com/trade/11069384 - one offer of 1.55

http://www.tf2outpost.com/trade/10917155 - two offers of 1.33, bought one for 1.33