Arms : Argent a Fesse chequy Gules and Or between in chief two ancient Ships with three masts and sails proper colours flying of the second and in base a Sword of the fourth pommel and hilt of the third surmounted by a Trident in saltire and entwined with a Wreath of Laural proper.
Crest : Out of a Naval Crown Or a Trident erect enfiled with a Wreath of Laurel proper.
Motto: 'LOYAL AND TRUE'
The arms were officially granted on August 1, 1891.
The red and gold checky fess is derived from the arms of the Pitt, family Earls of Chatham, two of whom provided Prime Ministers of Great Britain. The rest of the arms refer to the town being an important base of the British Royal Navy.
The arms as used on a JaJa postcard +/- 1905
The arms on a Wills's cigarette card, 1906
Literature : Image and information provided by Laurence Jones (firstname.lastname@example.org)