A Tripod Cruet with Gallery D. Maria I, Queen of Portugal (1777-1816) 833/1000 silver engraved decoration, glass cruets with silver covers Portuguese Oporto assay mark (1792-1803), Manuel Pinto da Costa maker's mark (1759-1794) Dimensões (altura x comprimento x largura) - 23,5 cm; Peso - 285 (suporte) g.