647 - A citrine, ruby and diamond gold brooch

A citrine, ruby and diamond gold brooch .800 gold and .833 silver Set with a round-cut citrine, a pear-cut synthetic ruby, a cultured pearl (4 mm), rose-cut and crowned rose-cut diamonds Porto hallmark (1938-1984), goldsmith's mark of Alexandre Pinto da Silva (reg. 1919) H.: 5 cm 9.16 g. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (século XV a 1887)". Lisbon: IN-CM, vol. II, 1996, nos. 98 and 1122