SInce Mangaya is in Japan, Filing for mail
fraud would be a waste of time.

Ask them for the EMS number go to
http://www.framed.usps.com/cttgate/
welcome.htm
and enter the number. 

 If they are unable to give you an EMS ask for
your money back.

EMS is insured and if it is lost *get real* 
Mangaya will get refunded.