set with nine graduated old European cut diamonds, in quatrelobe cluster frames, spaced on two row tapering join links, collet set with old single and brilliant cut diamonds, mounted in platinum and gold, panel to clasp signed 'MARCUS & CO', approximately 12cts of diamonds in all (includes the principal diamonds which range approximately 1.89ct to 0.78ct) Length 18cm / 7''
Width at centre 1.5cm / 9/16'' Weight: 22.5g
Mid-20th century 18ct yellow gold double curblink collar necklace by Chaumet, Paris, with London import hallmarks for 1957, converting to a pair of bracelets,
Art Deco diamond and gem set brooch modelled as a crusader sailing ship by Mauboussin, Paris, the stylised Man O' War design with Order of Christ cross to main sail,