A Brooch "Key" 900/1000 platinum set with carved onyx , calibrated rubies and 114 brilliant cut diamonds with the approximate weigt of 1,80 ct. Portuguese Lisbon mark (post 1998), Eugénio Hermínio Ramos Ldª maker's mark (reg. 1972) Dimensões (altura x comprimento x largura) - 8,3 cm; Peso - 16,5 g. Notes:  Vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Portuguese Goldsmiths and Assay Marks (1887 to 1993)", vol. II. Lisbon: IN-CM, no. 4206.