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

Sold for 1.33

http://www.tf2outpost.com/trade/20822642

http://www.tf2outpost.com/trade/20841015

http://www.tf2outpost.com/trade/20832679

Sold for 1.44

http://www.tf2outpost.com/trade/20549521

http://www.tf2outpost.com/trade/20819459

Sold for 1.66

http://www.tf2outpost.com/trade/20467912

Sold for 2.00

http://www.tf2outpost.com/trade/20827271

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.