The last pricing was priced based on 2 trades... Some better proof

http://www.tf2outpost.com/trade/21479398#latest Sold for roughly 22 keys

http://www.tf2outpost.com/trade/21420396 to this http://www.tf2outpost.com/trade/21456670 Sold for a powersurge prancer's pride ~ 19.5

http://www.tf2outpost.com/trade/21396400 to this http://www.tf2outpost.com/trade/21396500 Sold it for an spec killstreak australium fan ~ 18-19

http://www.tf2outpost.com/trade/21288846 Was offered a little over a bud with items(killstreaks)

http://www.tf2outpost.com/trade/21236678 Was offered a green energy buckaroos ~ 1.5

http://www.tf2outpost.com/trade/21228695 Was offered a bud + prof killstreak FAN ~ 1.3

Hope it's enough proof. Thanks!