$19.99 at valve store: (genuine) http://store.valveso...ct.php?i=MP2001
$12.99 at amazon: (genuine, if unopened or new... or none at all, if used) http://www.amazon.co...ONGS TO TEST BY
$19-20+ at tf2 community market: (genuine) http://steamcommunit.../Genuine Ap-Sap
$9.99 at mannco online: (unique, not genuine) http://store.teamfor...tails/143680851
Edited by Mork, April 24 2013 - 07:26 PM.