Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A late 19th century gold and enamel circular brooch, enamelled to the centred with a seated female mythological figure, a rose-cut diamond set shield by her side, ascended on clouds, within black enamel border and pierced decorated outer rim, spaced with seed pearls, brooch numbered to the reverse ‘547A’, diameter 3.6cm. £400-600