A Necklace two strands of culture pearls interspersed with 800/1000 gold and 833/1000 silver pieces set with rose cut crowned diamonds Portuguese DAVID FERREIRA's case Oporto mark (1938-1984), António Pinto da Silva maker's mark (1929-1968) Dimensões (altura x comprimento x largura) - 44,5 cm; Peso - 56,5 g.