Silver and gold Brooches i Australian coat of arms brooch, in sterling silver and enamel mid 20th century, hallmarks unidentifiable due to wear. Weight:5.6 grams. 7.5cm long. Tested as sterling silver. ii Best wishes brooch, in 9ct yellow gold, late 19th century, gem set with amethyst. Weight: 2.5 grams.4.5 cm long. Stamped and tested as 9ct.