Recently sold this hat, had two trades up for it. (the range in keys is 22-28 keys)

http://www.tf2outpost.com/trade/12701012

-15 keys

-20 keys

-1 bud

-25 keys

http://www.tf2outpost.com/trade/13672269

Sold the beret for 1 bud 6 keys

http://www.tf2outpost.com/trade/13350118

Selling the beret for 1 bud 6 keys (firm..)

-1 bud

http://www.tf2outpost.com/trade/13686994

B/O 1 bud 10 keys New trade

http://www.tf2outpost.com/trade/13032712

B/O 26 keys

-offer of a bud

Sold for ?

http://www.tf2outpost.com/trade/13057013

-20 keys

-1 bud

http://www.tf2outpost.com/trade/12566873

-20 keys ( I think I ended up paying a bud/22 keys for it, my inventory history doesn't go back that far.)