All proof on tf2outpost that is relevant. Thanks Plaxorous for the help!

1.33 sellers :

http://www.tf2outpost.com/trade/22598526

http://www.tf2outpost.com/trade/22643788

1.44:

http://www.tf2outpost.com/trade/22459007

http://www.tf2outpost.com/trade/22527985

http://www.tf2outpost.com/trade/22644205

http://www.tf2outpost.com/trade/22573304

1.66:

http://www.tf2outpost.com/trade/22193672 -Unsold 3 Weeks

http://www.tf2outpost.com/trade/22377081 -Unsold 2 Weeks

http://www.tf2outpost.com/trade/22638269 -Unsold 12 Hours (Young)

http://www.tf2outpost.com/trade/22639045 -Unsold 11 Hours (Young)

http://www.tf2outpost.com/trade/22609923 -Unsold 1 Day

http://www.tf2outpost.com/trade/22473306 -Unsold 1 Week

http://www.tf2outpost.com/trade/22622418 -Unsold 1 Day

http://www.tf2outpost.com/trade/22358843 -Unsold 2 Weeks

http://www.tf2outpost.com/trade/21595490 -Unsold 1 Month

http://www.tf2outpost.com/trade/22406023 -Unsold 1 Week

http://www.tf2outpost.com/trade/22262864 -Unsold 2 Weeks

http://www.tf2outpost.com/trade/22480767 -Unsold 1 Week

Backpack.tf:

1.33- 4 Selling

1.44- 3 Selling

1.55- 1 Selling

1.66- 1 Selling