680
A diamond brooch
Estimate
300 - 400
Session 2
21 July 2026
Description
Gold, fineness .800, and silver, fineness .833
Set with rose-cut diamonds and 1 8/8-cut
Porto hallmark (1938-1984) and goldsmith's mark of Tomás Martins da Rocha (1911-1973)
3x5 cm
11,3 g
Additional Information
Provenance:
Exhibitions:
Literature:
VIDAL, Manuel Gonçalves, ALMEIDA, Fernando Moitinho - "Marcas de Contrastes e Ourives Portugueses (1887-1993), Imprensa Nacional - Casa da Moeda". Lisbon: IN-CM, 1996, Volume II, nos. 98 and 3110
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