Removing the high-end (--> showing unsolds is necessary) and adding 3 ref as low-end. Keeping 3.33 ref as a conservative high-end since there are a few solds.

Classifieds: http://backpack.tf/classifieds?item=Rocket%20Launcher&quality=11&tradable=1&craftable=1

1x at 2.77 ref

1x at 2.88 ref

13x at 3 ref

5x at 3.33 ref

Sellers:

http://www.tf2outpost.com/trade/20714014 - 3 ref

http://www.tf2outpost.com/trade/20740210 - 3 ref

http://www.tf2outpost.com/trade/20689685 - 3 ref

http://www.tf2outpost.com/trade/20739179 - 3 ref

http://www.tf2outpost.com/trade/20727241 - 3.22 ref

http://www.tf2outpost.com/trade/20743856 - 3.22 ref each (12x)

http://www.tf2outpost.com/trade/20722596 - 3.33 ref

http://www.tf2outpost.com/trade/20682867 - 3.33 ref

http://www.tf2outpost.com/trade/20692590 - 3.33 ref

http://www.tf2outpost.com/trade/20615032 - 3.33 ref

http://www.tf2outpost.com/trade/20708778 - 3.33 ref

http://www.tf2outpost.com/trade/20635617 - 3.33 ref

Unsolds above 3.33 ref:

http://www.tf2outpost.com/trade/20183266 - 3 weeks

http://www.tf2outpost.com/trade/20201500 - 2 weeks

http://www.tf2outpost.com/trade/20415466 - 1 week

http://www.tf2outpost.com/trade/20345179 - 1 week

http://www.tf2outpost.com/trade/20448556 - 1 week

http://www.tf2outpost.com/trade/20321301 - 1 week

http://www.tf2outpost.com/trade/20476545 - 1 week

http://www.tf2outpost.com/trade/20449249 - 1 week

http://www.tf2outpost.com/trade/20415985 - 1 week

http://www.tf2outpost.com/trade/20326989 - 1 week

http://www.tf2outpost.com/trade/20476134 - 1 week

http://www.tf2outpost.com/trade/20532270 - 6 days

http://www.tf2outpost.com/trade/20550016 - 5 days

http://www.tf2outpost.com/trade/20563427 - 5 days

http://www.tf2outpost.com/trade/20611284 - 4 days

http://www.tf2outpost.com/trade/20617905 - 3 days

Solds

http://www.tf2outpost.com/trade/20685474 - 3.33 ref

http://www.tf2outpost.com/trade/20447365 - 3.33 ref

http://www.tf2outpost.com/trade/20674076 - 3 ref