A Ring, gold, set with 5 emeralds weighing approximately 0.70 ct. and 5 brilliant cut diamonds weighing approximately 1.10 ct., Portuguese, Oporto mark (1938-1984), unreadable maker’s mark, Dim. -12 (16.5 mm) cm-Weight 8.4 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho - "Portuguese marks and makers (1887 to 1993) ", vol. II. Lisbon: IN-CM, No 17 and 33. Dimensões (altura x comprimento x largura) - 12 (16,5 mm) cm; Peso - 8,4 g.