A significant fireman's helmet pendant / ring by J.W. Dunkerton, Fremantle, c.1910, featuring a very large South Sea pearl as part of the helmet. Stamped JWD 15C Approximate height 40 mm. Note: Joseph Dunkerton has been noted as a medal and badge maker. Dunkerton's operated from High Street and then Market Street from c.1908 - 1986. Reference: Australian Jewellers Makers & Marks by Cavill Cocks & Grace Gold and Silversmithing in Western Australia by Dorothy Erickson