I may fail at pricing all of them at once, but I will succeed at pricing them individually.

Selling for 1.33

http://www.tf2outpost.com/trade/20886129

Selling for 1.66

http://www.tf2outpost.com/trade/20801438

Sold for 1.44

http://www.tf2outpost.com/trade/20559640

Sold for 1.66

http://www.tf2outpost.com/trade/20643899

http://www.tf2outpost.com/trade/20868938 - http://www.trade.tf/trade/520651883

Conclusion: Before you say something stupid like "Not enough proof, downvote", take a look on the market first. This thing is so rare now. Demand > Supply because supply of craft hats went down and it's reasonable for this thing to rise.

Feel free to counter / support my proofs.