Just a little drop.

Under 4 ref:

http://www.tf2outpost.com/trade/12399831 - 3 ref

http://www.tf2outpost.com/trade/12359539 - 3.66 ref (Multiple adds)

http://www.tf2outpost.com/trade/12395518 - S.Black Box (3 - 3.33 ref)

http://i.imgur.com/NbS7V2b.jpg - 3.33 ref

http://i.imgur.com/xiswPMt.jpg - 3.11 ref

4 ref:

http://www.tf2outpost.com/trade/12400721 - 4 ref

http://www.tf2outpost.com/trade/12401593 - 4 ref

http://www.tf2outpost.com/trade/12392082 - 4 ref

http://www.tf2outpost.com/trade/12391208 - 4 ref

http://www.tf2outpost.com/trade/12399810 - 4 ref

http://www.tf2outpost.com/trade/12401712 - Rail spikes (4 ref)

http://www.tf2outpost.com/trade/12402690 - 4 ref

http://tf2tp.com/trade.php?trade=9600941 - 4 ref

http://bazaar.tf/trade/291522 - 4 ref

4.33 ref

http://bazaar.tf/trade/291564 - 4.33

http://www.tf2outpost.com/trade/12400061 - 4.33

http://www.tf2outpost.com/trade/12375566 - 4.33

http://www.tf2outpost.com/trade/12397148 - 4.33

4.66 ref

http://www.tf2outpost.com/trade/12383720 - 4.66

http://www.tf2outpost.com/trade/12398448 - 1 rec of price (I took off high end)

http://www.tf2outpost.com/trade/12402181 - 4.66

http://www.tf2outpost.com/trade/12361530 - 4.66

http://bazaar.tf/trade/289366 - 4.66

Classifieds at time of posting

http://i.imgur.com/t4l0MTv.jpg - 4 ref, 4.11, 4.33, 4.33, 4.66, 4.66

Unsold at 5 ref

http://www.tf2outpost.com/trade/12400738 - 5 ref

http://www.tf2outpost.com/trade/12347347 - 5 ref

http://www.tf2outpost.com/trade/12385759 - 5 ref

http://www.tf2outpost.com/trade/12336066 - 5 ref

http://www.tf2outpost.com/trade/12381093 - 5 ref

http://www.tf2outpost.com/trade/12388989 - 5 ref

http://www.tf2outpost.com/trade/12398126 - 5 ref

More proof will be added as I find it, your proof is appreciated.