An Oval Milk Jug with Cover D. Maria I, Queen of Portugal (1777-1816) 833/1000 silver gadrooned decoration, striped rim Portuguese signs of use Oporto Assay mark (1803-1810), Manuel Marques Coelho maker's mark (1792-1814), remarked with Cabeça de Velho Dimensões (altura x comprimento x largura) - 20 cm; Peso - 474 g.