I can take it from here IIEnricoX.

Wish I could show that 1.66 is a quicksell...because they stoopid if they sell at that price because nobody sells for that price.

Valid proof from the last suggestion.

http://www.tf2outpost.com/trade/14272847 - sold 2 ref

http://www.tf2outpost.com/trade/14255190 - sold 2 ref

http://www.tf2outpost.com/trade/14229884 - sold 2 ref

http://www.tf2outpost.com/trade/14264948 - sold 2.33

http://www.tf2outpost.com/trade/14264598 - sold 2.33

http://www.tf2outpost.com/trade/14261907 - sold 2.33

http://www.tf2outpost.com/trade/14268731 - sold 2.33

http://www.tf2outpost.com/trade/14218108 - sold 3.88 O_o

From Madbringer

http://puu.sh/4nK4j.png - 2.66

http://puu.sh/4nK4V.png - 2.33

http://puu.sh/4nK9u.png - ~2.33

http://puu.sh/4o2vP.png - 2.66

Now from current market

http://www.tf2outpost.com/trade/14331947 - sold 2 ref

http://www.tf2outpost.com/trade/14318319 - sold for pretty much 2 ref

http://www.tf2outpost.com/trade/14321781 - sold 1:1 w/ silver sniper mk.l (2-2.33)

http://www.tf2outpost.com/trade/14319044 - sold 2.33

http://www.tf2outpost.com/trade/14318797 - sold 2.22

http://www.tf2outpost.com/trade/10584740 - sold multiple for 2.33

Buyers

http://www.tf2outpost.com/trade/14030994 - buying for 2 ref

Unsuccessful Buyers

http://www.tf2outpost.com/trade/14310082 - 1 day

http://www.tf2outpost.com/trade/13154806 - 1 month

...rest are lowballers.

Feel free to counter/support my proof.