A Pair of Earrings 500/1000 platinum set with 2 brilliant cut diamonds with an approximate weight of 0.25 ct. and 2 with an approximate weight of 1.10 ct. Portuguese signs of use Lisbon mark (1938-1984) Dimensões (altura x comprimento x largura) - 1,5 cm; Peso - 5,4 g. Notes: Provenance: Jewelry collection of a soprano opera singer of the São Carlos National Opera House, Lisbon.