Classifieds:

http://i.imgur.com/Al0Eqnz.jpg

2 sellers at 28, 2 buyers at 28

No sellers below

Buyers:

http://www.tf2outpost.com/trade/26643130 26

http://www.tf2outpost.com/trade/25974307 26

http://www.tf2outpost.com/trade/24898478 26

http://www.tf2outpost.com/trade/26633127 26

http://www.tf2outpost.com/trade/26642432 26

http://www.tf2outpost.com/trade/26051433 26

http://www.tf2outpost.com/trade/26608619 26

http://www.tf2outpost.com/trade/26631761 26

http://www.tf2outpost.com/trade/26627793 26

http://www.tf2outpost.com/trade/26598062 26 keys 1 refined

http://www.tf2outpost.com/trade/26631575 26 keys 2 refined

http://www.tf2outpost.com/trade/26567154 27

http://www.tf2outpost.com/trade/26636739 27

http://www.tf2outpost.com/trade/26630499 27

http://www.tf2outpost.com/trade/25181448 27

http://www.tf2outpost.com/trade/25842657 27 keys 5 refined

http://www.tf2outpost.com/trade/26641898 27 keys 5 refined

http://www.tf2outpost.com/trade/25638933 27 keys 5 refined

http://www.tf2outpost.com/trade/26638729 28

Sales at 28 in my last suggestion (other current suggestion only lists those sales anyway)

http://backpack.tf/vote/id/55b8f3d0ba8d883e0f8b4595

Quicksale at 30:

http://www.tf2outpost.com/trade/26605362

There are none I can find listed for 28 or lower on outpost and none below 28 on classifieds. This is mainly a buyer raise because almost all on outpost are painted or listed above 28.