Rhode Island Tercentenary Issue First Day Cover
300th Anniversary of the Settlement of Rhode Island
Issued on May 4, 1936 in Providence, RI - Scott #777

Unknown Cachet Maker - Planty #80
Unofficial City Cancel - Newport Naval Hospital

The Fleet Post Office (FPO) of the Newport Naval Hospital was an official military Post Office located on the Newport Naval Base in Newport, Rhode Island. The Post Office was established on July 15, 1929 and was closed on December 18, 1981.

Source: Check List of Rhode Island Post Offices 1790-1994 - Del Beaudreau