A pair of earrings 500/1000 platinum and 800/1000 gold set with 2 pear-cut emeralds weighing approximately 2.50 ct., 62 brilliant-cut diamonds weighing approximately 8.78 ct., and 24 navette-cut diamonds weighing approximately 4.10 ct. Portuguese emeralds with traces of treatment, signs of use. Lisbon mark (1938-1984), maker´s mark of Augusto Sequeira Calisto (reg. 1961) Dimensões (altura x comprimento x largura) - 5 cm; Peso - 26,6 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (1887 a 1993)", vol. II. Lisbon: IN-CM, nº 100 and 4157.