I can't even sell mine with parts, name tag and desc. tag for that much.

Classifieds starting @ 4/4.33 (mostly going to 4.66):

http://backpack.tf/classifieds/?item=Sniper%20Rifle&quality=11&tradable=1&craftable=1

Unsoldss @ 4.66+ (extremely hard to find these without any attachments):

http://www.tf2outpost.com/trade/26094757 - 3 weeks

http://www.tf2outpost.com/trade/26133978 - 3 weeks

http://www.tf2outpost.com/trade/26242986 - 1 week

http://www.tf2outpost.com/trade/26140788 - 3 weeks

http://www.tf2outpost.com/trade/26286860 - 2 days

http://www.tf2outpost.com/trade/26291028 - 1 day

http://www.tf2outpost.com/trade/26205782 - 1 week

http://www.tf2outpost.com/trade/26269911 - 4 days

http://www.tf2outpost.com/trade/26249769 - 1 week

http://www.tf2outpost.com/trade/26030901 - 1 month

http://www.tf2outpost.com/trade/26221490 - 1 week

http://www.tf2outpost.com/trade/26071427 - 4 weeks

http://www.tf2outpost.com/trade/26256127 - 6 days

http://www.tf2outpost.com/trade/26270006 - 4 days

Sellers @ 4-4.66:

http://www.tf2outpost.com/trade/26297867

http://www.tf2outpost.com/trade/26306577

Can't find more without those parts/killstreaks.

Sold mine here:

http://prntscr.com/7m9rsl

http://prntscr.com/7m9s2j

I mean obviously not many sellers here on Outpost, though there are many sellers on backpack.tf classifieds and I bet the gun would be sold for 4.66 or even less.