Sellers

http://backpack.tf/classifieds/search/754/1/0 - Only notable 1 is 4.33, 4 days

5-5.44

http://www.tf2outpost.com/trade/12638373 - 5.11, 4 days

http://www.tf2outpost.com/trade/12803075 - 5.22, 13 hours

http://www.tf2outpost.com/trade/12257050 - 5 ref, 2 weeks

http://www.tf2outpost.com/trade/12760195 - 5 ref, 1 day

http://www.tf2outpost.com/trade/12783400 - 5.44, 1 day

http://www.tf2outpost.com/trade/12751976 - 5 ref, 2 days

http://www.tf2outpost.com/trade/12559586 - 5 ref, 6 days

http://www.tf2outpost.com/trade/12364387 - 5 ref, 1 week

http://www.tf2outpost.com/trade/12757481 - 5 ref, 1 day

http://www.tf2outpost.com/trade/12782765 - 5.44, 1 day

http://www.tf2outpost.com/trade/12448638 - 5.44, 1 week

http://www.tf2outpost.com/trade/12701423 - 5 ref, 3 days

http://www.tf2outpost.com/trade/12652281 - 5.33, 4 days

< 5

http://www.tf2outpost.com/trade/12810563 - 4.33, 9 hours

http://www.tf2outpost.com/trade/12440421 - 4.77, 1 week

http://www.tf2outpost.com/trade/12614857 - 4.33 (x2)

http://www.tf2outpost.com/trade/12758701 - 4.33, 1 day

Sold

http://www.tf2outpost.com/trade/12792732 - 4 ref

Conclusion

Doesnt get sold for more than this, and there are willing sellers at 4.33. Only 1 sold at 4 ref, no current sellers for the price. Also too many sellers at 1 key, which out of the current range. Vote accordingly.

Help / Consturctive Criticisim / Additional Proof / Counter-Proof is ALWAYS welcome! :D