Last suggestion was a bit early, but this needs a range. Can be found easily on outpost for 1.33, one in classifieds as well. Plenty being sold all throughout the range.

1.33

http://www.tf2outpost.com/trade/12657168 - Selling for 1.33

http://www.tf2outpost.com/trade/12664538 - Selling for 1.33

http://www.tf2outpost.com/trade/12628097 - Selling for 1.33

http://www.tf2outpost.com/trade/12626614 - Selling for 1.33

http://www.tf2outpost.com/trade/12617112 - Selling for 1.33

1.44

http://www.tf2outpost.com/trade/12659248 - Selling for 1.44

http://www.tf2outpost.com/trade/12643655 - Sold for 1.44

1.55

http://www.tf2outpost.com/trade/12663546 - Selling for 1.55

http://www.tf2outpost.com/trade/12431956 - Selling for 1.55

http://www.tf2outpost.com/trade/12638571 - Selling for 1.55

http://www.tf2outpost.com/trade/12638406 - Selling for 1.55

1.66

http://www.tf2outpost.com/trade/12652031 - Selling for 1.66

http://www.tf2outpost.com/trade/12555763 - Selling for 1.66

http://www.tf2outpost.com/trade/12660540 - Selling for 1.66

http://www.tf2outpost.com/trade/12184207 - Selling for 1.66

http://www.tf2outpost.com/trade/12659670 - Selling for 1.66

http://www.tf2outpost.com/trade/12070206 - Selling for 1.66

Classifieds

http://backpack.tf/classifieds/search/1020/1/0 - 4 Selling under 1.66

Let me know if there are any problems.