Bidspirit auction | 800‰ gold medal, set with

800‰ gold medal, set with a mother-of-pearl plaque carved in high relief with a female figure. Clasp set with 21 8/8 cut diamonds. - 800‰ gold medal, set with a mother-of-pearl plaque carved in high relief with a female figure. Clasp set with 21 8/8 cut diamonds. Porto goldsmith's mark: Manuel António da Costa Santos & Filhos Lda, registered in 1966 Oporto assay office mark (rooster's head) - 1985 to 1998 Weight: 15.1g; Dim: 5.4 x4cm