Priority mail international offers NO TRACKING. It is

來源: 於 2010-03-27 19:57:32 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

only a custom form, not Postal tracking.
You have to use Registered Mail or EMS. EMS is the most reliable and trackable. Over $300 EMS is recommended.