Estimate

1.100 - 1.600

Session 3

5 June 2025

Hammer Price

Description

Gold
Set with an old brilliant cut diamond weighing approximately 0.81 ct.
Lisbon hallmark (1887-1937) and maker's mark of Francisco da Costa (1897-1932)
(signs of wear)

Med.: 19 (EU)
8,6 g

Additional Information

Literature:
VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Marcas de Contrastes e Ourives Portugueses (Século V a 1887)", vol. I. Lisboa: IN-CM, nºs 16 e 450