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

1st J. B. Kilton Cachet - Continental Currency
Unofficial Town - Hillsgrove, RI

The Hillsgrove Post Office, (Warwick Township, Kent County) was established on April 5, 1872 under Postmaster Josiah Westcott. The Post Office was disestablished on June 30, 1949. Mail is now handled by the Warwick Post Office.

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