A Tripod Salver D. Maria I, Queen of Portugal (1777-1816) 750/1000 silver beaded and engraved decoration Portuguese Oporto assay mark (1792-1803), Manuel Vilaça Gomes maker's mark (1763-1804), remarked with "Cabeça de Velho" Dimensões (altura x comprimento x largura) - 3 x 22 cm; Peso - 340 g. Notes: vd. ALMEIDA, Fernando Moitinho de - "Portuguese and Brazilian Silver Marks (15th C. to 1887)". Lisbon: IN-CM, 1995, P16 and P465; SOUSA, Gonçalo de Vasconcelos e - "Dictionary of Oporto Goldsmiths and Silver Carvers, 1750-1825", Civilização Editora, 2005, pages 235 to 237; vd. VIDAL, Manuel Gonçalves; ALMEIDA, Fernando Moitinho de - "Portuguese Goldsmiths and Assay Marks (1887 a 1993)", vol. II. Lisbon: IN-CM, no. 4132.