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

Unofficial Town Cancel - Saylesville Branch - Pawtucket, RI
Rhode Island Tercentenary Commission - Planty #777-18a

The Saylesville Post Office, (Lincoln Township, Providence County) was established on September 12, 1881 under Postmaster Samuel Fessenden. The Post Office was disestablished on April 30, 1910 and became a branch of the Pawtucket Post Office on May 1, 1930. The Branch was closed on February 21, 1958.

Sources:
Check List of Rhode Island Post Offices 1790-1994 - Del Beaudreau
Rhode Island Postal History: The Post Offices - Merolla, Jackson & Crowther