A Magnifying-glass 833/1000 silver ring ivory handle with carved decoration "European hunters" and "African figures" Portuguese 20th C. (mid) Oporto Aguia mark (1938-1984), Delmar Gomes Pinheiro maker's mark (1945-1981), LUÍS FERREIRA mark Dimensões (altura x comprimento x largura) - 18,5 cm; Peso - bruto - 296 g. Notes: vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Portuguese Goldsmiths and Assay Marks (1887 to 1993)", vol. II. Lisbon: IN-CM, no. 49 and 1675.