Buying :

http://www.tf2outpost.com/trade/13973106 - 1 key for 3 @2 ref each?

http://www.tf2outpost.com/trade/13975335 - Buying @ 1.33 each

http://www.tf2outpost.com/trade/13965998 - Buying @ 1.33 each

http://www.tf2outpost.com/trade/13977924 - Buying @ 1.33 each

http://www.tf2outpost.com/trade/13985644 - Buying @ 1.33 each

http://www.tf2outpost.com/trade/13971148 - Buying @ 1.66 each

Selling:

http://www.tf2outpost.com/trade/13746994 - 1x offered @ 1.66

http://www.tf2outpost.com/trade/12718566 - 1x offered @ 1.33

http://www.tf2outpost.com/trade/12024497 - 4x offered @ 1.33 + 1x @ 1.44

http://www.tf2outpost.com/trade/13017581 - 2x offered @ 1.33 (Rejected)

http://www.tf2outpost.com/trade/12646423 - 2x adds @ 1.66 , offered 1.33

http://www.tf2outpost.com/trade/12965437 - 1x offered @ 1.66 ; 1.33

http://www.tf2outpost.com/trade/10908688 - 1x offered @ 1.33 + (OUTLIER 2 ref ..?)

http://www.tf2outpost.com/trade/13961594 - 1x offered @ 1.33 offered

http://www.tf2outpost.com/trade/13891789 - 1x offered @ 1.33 offered

http://www.tf2outpost.com/trade/13580944 - 1x offered @ 1.33 ; 1.44

http://www.tf2outpost.com/trade/13950337 - 1x added @ 1.33

Sorry for any dupes / invalid proof.

Counterproof welcome , the only classified on bp.tf has been sold for a while .

Edit: Derped earlier :/