Sellers for 2.37 (2 keys+ref):

https://gyazo.com/4bd93505435d35facf48750ce5da4ae1

7x Sellers on classified

https://scrap.tf/items/35

Scrap.tf is selling them for 2 keys+6 ref each

Outpost sellers for 2 keys+6 ref:

http://www.tf2outpost.com/trade/27417480

http://www.tf2outpost.com/trade/27425994

http://www.tf2outpost.com/trade/27423611

http://www.tf2outpost.com/trade/27407643

http://www.tf2outpost.com/trade/25567854

http://www.tf2outpost.com/trade/27419502

http://www.tf2outpost.com/trade/27420771

http://www.tf2outpost.com/trade/27391559 2 keys,6.22 ref

Sellers for 2.43 (2 keys+7 ref):

https://gyazo.com/4d19b4e3a40a4e1dcc21c530e3b18e2d

3x Sellers on classified

Outpost sellers for 2 keys+7 ref:

http://www.tf2outpost.com/trade/27411048

http://www.tf2outpost.com/trade/26843404

http://www.tf2outpost.com/trade/27425414

http://www.tf2outpost.com/trade/27382354

http://www.tf2outpost.com/trade/27398347

http://www.tf2outpost.com/trade/26923103 <--- Solden

http://www.tf2outpost.com/trade/27392050

Under 2.37:

http://www.tf2outpost.com/trade/27417597 2 keys,4 ref

http://www.tf2outpost.com/trade/27387403 2 keys

http://www.tf2outpost.com/trade/27427675 2 keys,5.66 ref

Unsolds at 2.5 :

http://www.tf2outpost.com/trade/27369528 (1 week)

http://www.tf2outpost.com/trade/27420960 (1 day)

http://www.tf2outpost.com/trade/27426646 (few hours)

http://www.tf2outpost.com/trade/27420045 (1 day)

http://www.tf2outpost.com/trade/27413695 (2 days)

http://www.tf2outpost.com/trade/27397350 (5 days)

http://www.tf2outpost.com/trade/27388111 (6 days)