Registered Mail is likely to be your most secure option.
Registered Mail
What are the characteristics of Registered Mail?
- The most secure United States Postal ServiceŽ mail (protected by safes, cages, sealed containers, locks and keys).
- Requires a signature upon delivery.
- Delivery information will provide delivery status or attempted delivery status when the item reaches its destination, it will not provide tracking of the item as it is enroute to its destination.
- Customers can obtain a record of delivery by purchasing Return Receipt Service.
- Registered Mail can be sent to military locations. However, delivery information is not available for items destined to an APO / FPO.
- A system of receipts is provided to monitor movement of mail from the point of acceptance to delivery. Access to these receipts is not readily accessible and can only be done by initiating a claim form (not a phone service).
- ID numbers typically begin with two letters ("R" followed by another letter) followed by nine numbers and the letters "US", for example: RA 000 000 000 US, the ID number can be located in the upper left-hand corner of the receipt.