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 - Alton, RI
John B. Kilton Cachet - Planty #777-61m

The Alton Post Office, (Richmond Township, Washington County)  was established on May 17, 1897 under Postmaster George H. Steere. The Post office was disestablished on July 20, 1973 and Alton's mail is currently handled by the Post Office at Wood River Junction.

Source: Rhode Island Postal History: The Post Offices - Merolla, Jackson & Crowther