An Oval Brooch Art Deco 800/1000 gold set with 155 8/8 cut and brilliant cut diamonds with an approximate total weight of 2.80 ct. Portuguese Lisbon mark (1938-1984), Vitor Manuel de Almeida Jardim (1918-1943) maker's mark Dimensões (altura x comprimento x largura) - 6 cm; Peso - 20,6 g. Notes: Provenance: Jewelry collection of a soprano opera singer of the São Carlos National Opera House, Lisbon.