Pretty easy to obtain at 3 ref

Classifieds

http://backpack.tf/classifieds/search/id/52f52e2d4dd7b8c70a8b4567

1 at 2.66

7 at 3

1 at 3.22

5 at 3.33

Outpost

Unsold at 3.33

http://www.tf2outpost.com/trade/18138071 - young

http://www.tf2outpost.com/trade/17826749 - 2 weeks

http://www.tf2outpost.com/trade/18148592 - young

http://www.tf2outpost.com/trade/18075958 - 3 days

http://www.tf2outpost.com/trade/18089853 - 2 days

http://www.tf2outpost.com/trade/18004312 - 6 days

http://www.tf2outpost.com/trade/18120176 - 1 day

http://www.tf2outpost.com/trade/18109248 - 1 day

http://www.tf2outpost.com/trade/18057974 - 4 days

http://www.tf2outpost.com/trade/18099657 - 2 days

http://www.tf2outpost.com/trade/17922955 - 1 week

http://www.tf2outpost.com/trade/18079501 - 3 days

http://www.tf2outpost.com/trade/18032311 - 5 days

http://www.tf2outpost.com/trade/18078547 - 3 days

http://www.tf2outpost.com/trade/17866084 - 1 week

http://www.tf2outpost.com/trade/18009181 - 6 days

Sellers at 3

http://www.tf2outpost.com/trade/18139296 - young

http://www.tf2outpost.com/trade/18090721 - 2 days

http://www.tf2outpost.com/trade/18106802 - 1 day

http://www.tf2outpost.com/trade/18127044 - young

http://www.tf2outpost.com/trade/18146110 - young

http://www.tf2outpost.com/trade/18149719 - young (2)

http://www.tf2outpost.com/trade/18148878 - young (2.66)

http://www.tf2outpost.com/trade/18106153 - 2 days

http://www.tf2outpost.com/trade/18148153 - young

http://www.tf2outpost.com/trade/18146435 - young

http://www.tf2outpost.com/trade/18146419 - young

http://www.tf2outpost.com/trade/18146168 - young

http://www.tf2outpost.com/trade/18084334 - 3 days

http://www.tf2outpost.com/trade/18000491 - 6 days

http://www.tf2outpost.com/trade/18128063 - young

Stopped at page 5 of outpost. Let me know