A Pair of Earrings 500/1000 platinum set with 2 brilliant cut diamonds with an approximate weight of 0.30 ct. and 2 brilliant cut ones with an approximate weight of 4 ct. O~P colour grade and VVS clarity Portuguese signs of use Lisbon mark (1938-1984), José Francisco Franco maker's mark (reg. 1933) Dimensões (altura x comprimento x largura) - 1,4 cm; Peso - 7,3 g. Notes: Provenance: Jewelry collection of a soprano opera singer of the São Carlos National Opera House, Lisbon.