A pair of plates D. João V, King of Portugal (1706-1750) 833/1000 silver fluted edge, flap engraved with coat of arms - full coat of arms of the Figueiroa family surmounted by a count's coronet Portuguese signs of use one plate with Porto assay mark (1721-1750) and maker's mark attributable to António Ferreira de Barros (1734-1790), the other plate without assay mark, pursuant to Decreto-Lei no. 120/2017, of 15 September - art. 2nd, no. 2, paragraph c), only with AF maker's mark (18th century) Dimensões (altura x comprimento x largura) - 24,5 cm; Peso - 842 g. Notes: vd. ALMEIDA, Fernando Moitinho de; CARLOS, Rita - "Inventário de Marcas de Pratas Portuguesas e Brasileiras - Século XV a 1887". Lisbon: IN-CM, 2018, P-13 e P-93 and P-94; and SOUSA, Gonçalo de Vasconcelos e - "Dicionário de ourives e lavrantes da prata do Porto, 1750-1825", Civilização Editora, 2005, pp. 55 to 58.