Other suggestion is to low, people can sell for more that 4.33 ref.

Sellers

http://www.tf2outpost.com/trade/8951168 - 2 key ℅ http://www.tf2outpost.com/trade/8951136 - selling for 2 keys

http://www.tf2outpost.com/trade/8949632 - accepted 1 key offer http://www.tf2outpost.com/trade/8950948 - selling for 2 keys

http://www.tf2outpost.com/trade/8950792 - offer of a little under 2 keys

http://www.tf2outpost.com/trade/8950708 - selling for 2 keys

http://www.tf2outpost.com/trade/8951671 - selling for 2 keys

http://www.tf2outpost.com/trade/8950948 - selling for 2 keys

http://www.tf2outpost.com/trade/8951419 - selling for 2 keys

Buyer trades

http://www.tf2outpost.com/trade/8949414 - 2 key offer

http://www.tf2outpost.com/trade/8949424 - seller for 2 keys and seller for 3 ref

http://www.tf2outpost.com/trade/8951214 - seller at 1 key .66 ref

http://www.tf2outpost.com/trade/8957478 - has 1 key sellers

Sold for 2 keys

http://www.tf2outpost.com/trade/8950728 - 2 keys

http://www.tf2outpost.com/trade/8950579 - 2 keys

http://www.tf2outpost.com/trade/8951075 - sold for 1.5-2.5 keys

http://www.tf2outpost.com/trade/8951201 - sold for 2 keys

http://www.tf2outpost.com/trade/8951572 - sold for 2 keys

http://www.tf2outpost.com/trade/8951477 - had an add at 2 keys

http://www.tf2outpost.com/trade/8951139 - sold for 2 keys

http://www.tf2outpost.com/trade/8950362 - sold for 2 keys http://www.tf2outpost.com/trade/8951859 - sold for 2 keys

selling for 1 - 1.5 keys

http://www.tf2outpost.com/trade/8949819 selling for 1 key

http://www.tf2outpost.com/trade/8959940 selling for 1 key

http://www.tf2outpost.com/trade/8963534 selling for 1 key + 1 ref

http://www.tf2outpost.com/trade/8964797 selling for 1 key + 1.33 strange

http://www.tf2outpost.com/trade/8964264 selling for 3 desc. tags (1.5 keys)

http://www.tf2outpost.com/trade/8954976/edit - when they first came out i got a lot of cheap ones for a key, now i have been selling them for 2 keys or 2 keys in items. So far i have sold 3 for 2 keys.

http://backpack.tf/classifieds/search/bouf - Right now has 1 selling for 1 key, 1 selling for 1.75 keys, and 5 selling for 2 keys