Moron or scammer I should say. just sent me a trade offer asking 10 keys for this..

Using steam market as there are no sales available to my knowledge, and I ain't giving more money to this site to find out.

http://steamcommunity.com/market/listings/440/Strange%20Whirly%20Warrior

Sales are in order of apperance on the sales graph starting August 31st

Without Tax

$4.40 / 1.8 Keys

$2.48 / 1 Key

$4.38 / 1.8 Keys

$4.37 / 1.8 Keys

$2.23 / 0.9 Keys

With Tax

$3.74 / 1.6 Keys

$2.11 / 0.9 Keys

$3.72 / 1.6 Keys

$3.71 / 1.5 Keys

$1.89 / 0.8 Keys

Most sales before/after tax are around 1.5 - 1.8, sellers seems to be asking around the same.