733 - A diamond, pearl and enamel gold brooch

A diamond, pearl and enamel gold brooch Gold, fineness .800 Decorated with blue enamel, a cultured pearl (10 mm) and 22 brilliant-cut diamonds weighing approximately 0.60 ct. Porto hallmark (1985-2020), goldsmith's mark of Ferreira Marques & Irmão Ldª (reg. 1974) With pin for pendant H.: 4 cm 8 g VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, no. 4093 and 4660