U.S. Scott 825, 810 (2 copies), 807 Prexies/Prexys on registered airmail cover paying the 5 cent air mail rate and 25 cent registration fee on an item with an indemnity value up to $50, and 3 cent supplemental surcharge fee for an item with a declared value greater than the indemnity value that was paid for the item. The letter was mailed April 18, 1947, from Arkansas City, Kansas to Balboa, Canal Zone, where it was received on the 21st. There is also a Miami, Florida September 20, 1947 receiving mark. There is some toning on the seams (see scans).