A BROOCH, Art Nouveau, gold and silver, set with 4 drop cut diamonds with the approximate weight of 1,20 ct and 95 brilliant ancient cut ones with the approximate weight of 3,50 ct., Lisbon hallmark (1887-1937), LEITÃO & IRMÃO maker's mark, Portuguese, 1 diamond missing, original case Dimensões (altura x comprimento x largura) - 5,2 x 4 cm; Peso - 15,75 grs.