Just copying and pasting my proof from yesterday's failed suggestion here: http://backpack.tf/vote/id/511b0786ba2536281f000001#511b3204ba25366334000002_row

This is what I found:

http://www.tf2outpost.com/trade/8511365 Sold for 1.66

http://www.tf2outpost.com/trade/8411246 Offer of orange paint (1.33)

http://www.tf2outpost.com/trade/7981740 2 willing buyers at 1.33

http://www.tf2outpost.com/trade/8527015 Sold at least one for 1.33

http://www.tf2outpost.com/trade/6007685 Sold a few at 1.33

http://www.tf2outpost.com/trade/8589826 Selling for 1 ref

http://www.tf2outpost.com/trade/8553853 Offer of 1.11 accepted

http://www.tf2outpost.com/trade/8581795 Selling for 1 ref

http://www.tf2outpost.com/trade/8530070 Unsold at 1.33 for 3 days, barely bumped though

http://www.tf2outpost.com/trade/8453056 Selling for 1 ref

http://www.tf2outpost.com/trade/8507799 Selling for 1 ref

http://www.tf2outpost.com/trade/8397736 Wants 1 ref as said in the comments, but denied a 1 ref offer later?

http://www.tf2outpost.com/trade/8191646 1 ref offer declined, no other offers

http://www.tf2outpost.com/trade/8298792 1 ref offer declined, no other offers

Several more like this

1-1.33 would be better imo.