I don't really know if I should do this, since I'm involved and bought one recently, anyhow.

http://www.tf2outpost.com/trade/9327954

Traded one for a burning sultan (valued 3.9-5 buds).

http://www.tf2outpost.com/trade/9377145

The guy who bought it for the sultans was offer a hearts baker (valued 4-4,5).

http://www.tf2outpost.com/trade/9177084

was offered 3.5 buds (by me)

was offered purple energy familiar fez (valued 3.5-4 buds)

Didn't accept any of his offers so far.

http://www.tf2outpost.com/trade/9349757

I bought his for 3 buds and 18 keys in sweets and pure.

http://www.tf2outpost.com/trade/9294009

Was offer up to 4 buds pure, although there's no proof of that. I am not sure for what price he actually sold it.

Most of the sellers are trying to get 4 buds or even more so I have noticed, but not really getting it for the moment.