In my range

http://www.tf2outpost.com/trade/15453546 -offer 2 ref

http://www.tf2outpost.com/trade/1537679 -offer 2 ref

http://www.tf2outpost.com/trade/15372060 -offer 2 ref

http://www.tf2outpost.com/trade/15419570 -offer 2 ref

http://www.tf2outpost.com/trade/15443832 -offer 2 ref

http://www.tf2outpost.com/trade/15429524 -offer 2 ref

http://www.tf2outpost.com/trade/15476837 -offer 2 ref

http://www.tf2outpost.com/trade/15471408 -offer 2 ref (seller wants 2.55)

http://www.tf2outpost.com/trade/15354971 -offer 2.66

http://www.tf2outpost.com/trade/15481340 - offer of 3 ref

http://www.tf2outpost.com/trade/15409881 -offer of gold fast learner (3 ref?)

http://www.tf2outpost.com/trade/15376797 - offer of lt.bitey (3 ref)

http://www.tf2outpost.com/trade/15487275 -selling 3

http://www.tf2outpost.com/trade/15483763 -selling 3

http://www.tf2outpost.com/trade/15426118 -selling 3

http://backpack.tf/classifieds/search/id/52703de64cd7b8f75d8b456d

I had more proof but close out safari (doing on ipad) and lost it all after about 45 mins of finding proof! I spent way to long on this suggestion

Ran into this looking for proof for another item

http://www.tf2outpost.com/trade/15450419 -sold for 3 ref