Huh, I remember when i spammed this up to 5 ref.

Removing 3.00 from the range.

http://www.tf2outpost.com/trade/21443702 ~ 3.00 [5 days]

http://www.tf2outpost.com/trade/21530259 ~ 3.00 [1 day, young but w/e]

http://www.tf2outpost.com/trade/21222607 ~ 3.00 [1 week old]

http://www.tf2outpost.com/trade/21031413 ~ 3.00 "high end price" [2 weeks old]

http://www.tf2outpost.com/trade/21239059 ~ 3.00 [1 week old]

http://www.tf2outpost.com/trade/20711332 ~ 2.66 [1 month old]

http://www.tf2outpost.com/trade/21427372 ~ 2.66 "bp.tf price" conservatively taking as low end [5 days old]

http://www.tf2outpost.com/trade/20826321 ~ 2.66 "normal prices" conservatively taking as low end [4 weeks old]

http://www.tf2outpost.com/trade/21554238 ~ 2.66 "bp.tf price" conservatively taking as low end [14 hours]

http://www.tf2outpost.com/trade/21546711 ~ 2.66 "bp.tf price" conservatively taking as low end [1 day]

http://backpack.tf/classifieds/?item=Rocket%20Launcher&quality=11&tradable=1&craftable=1 majority selling for 2.66 here

Very little proof on OP due to killstreakers and parts, but you can't really argue with the amount of 2.66 sellers in the classies.

Let me know if there are any issues.

Bumped seller for 2.44 in the classies: http://gyazo.com/fc49445b031a1e0b3b975b3cf1ccf55a