Link 1. It sold for 3 pure. the russian translates to Add, it is.

Link 2. I paid 95 keys. which is 3.5

Link 3. Past offer of o fire ball cap + 1 which is at least 3.5

This hat is 1 of 2. but the other is gifted and has passed through the hands of several sacammers. I know I own the hat but there is no way it could be traded for anything less then 3.5. On top of that. with Halloween effects that are 1 of a few. the price is reste everytime it is sold, as the buyer wont sell for less than they paid.

http://www.tf2outpost.com/trade/1906148

Jinx offers 3.5 for a gifted one.