Lets do this.

Proof:

The classifieds at the time - http://i.imgur.com/PyUL591.png (front page no sellers over 5 ref. Cheapest seller 3.66)

Sellers:

http://www.tf2outpost.com/trade/21200300 (4.33)

http://www.tf2outpost.com/trade/21196459 (4.88)

http://www.tf2outpost.com/trade/21207020 (4 ref)

http://www.tf2outpost.com/trade/21206866 (5 ref)

http://www.tf2outpost.com/trade/21205323 (5 ref)

http://www.tf2outpost.com/trade/21202260 (4.88)

http://www.tf2outpost.com/trade/21157962 (5 ref)

http://www.tf2outpost.com/trade/20902702 (4 ref)

http://www.tf2outpost.com/trade/21203200 (4 ref)

http://www.tf2outpost.com/trade/21202280 (5 ref)

http://www.tf2outpost.com/trade/21205883 (6 ref but painted purple, half of the purple paint is 1.66 ref and if u remove that its like 4.33)

http://www.tf2outpost.com/trade/20918579 (5 ref and kinda low craft number)

http://www.tf2outpost.com/trade/21201338 (4.66)

http://www.tf2outpost.com/trade/21205090 (5 ref)

http://www.tf2outpost.com/trade/21196669 (4.66)

http://www.tf2outpost.com/trade/21204791 (5 ref)

http://www.tf2outpost.com/trade/21052894 (5 ref)

http://www.tf2outpost.com/trade/21181640 (5 ref)

http://www.tf2outpost.com/trade/21155042 (4.66)

http://www.tf2outpost.com/trade/21152264 (5 ref)

http://www.tf2outpost.com/trade/21106206 (5 ref)

http://www.tf2outpost.com/trade/21082706 (5 ref)

http://www.tf2outpost.com/trade/21060252 (5 ref)

http://www.tf2outpost.com/trade/21040999 (5 ref)

http://www.tf2outpost.com/trade/21018220 (5 ref)

Buyers:

http://www.tf2outpost.com/trade/21086965 (1.66)

http://www.tf2outpost.com/trade/21120152 (3.33)

http://www.tf2outpost.com/trade/21039312 (2 ref)

http://www.tf2outpost.com/trade/21116586 (3.33)

http://www.tf2outpost.com/trade/21188691 (2.33)

http://www.tf2outpost.com/trade/21194922 (2.44)

http://www.tf2outpost.com/trade/21018081 (3 ref)

http://www.tf2outpost.com/trade/21183871 (4 ref)

http://www.tf2outpost.com/trade/21171040 (2 ref)

http://www.tf2outpost.com/trade/21183738 (2 ref)

http://www.tf2outpost.com/trade/21174034 (3 ref)

http://www.tf2outpost.com/trade/20879403 (2 ref)

http://www.tf2outpost.com/trade/21074692 (2 ref)

http://www.tf2outpost.com/trade/20604734 (2.33)

http://www.tf2outpost.com/trade/21146415 (2.33)

http://www.tf2outpost.com/trade/21111964 (2.33)

http://www.tf2outpost.com/trade/20739581 (3.33)

http://www.tf2outpost.com/trade/20739792 (3 ref)

http://www.tf2outpost.com/trade/21094331 (2 ref + gibus + muskel paint)

I think this price is justified