Please carefully see my photos as these form part of the item description and condition. Origin and date. Portugal, Oporto, Circa 1940’s. Solid silver and rose/orange tissue. Official Portuguese Assay mark eagle for solid silver 0.835; Maker mark not identified. It has an inscription «Henrique José Alves». Maximal diameter 160mm (6.30in) and height 210mm (8.27in); Total weight 485gram 17.11 US oz. Item in very good conditions. Original tissue on the shadow. The electric parts had a restoration comprises the replacement of the wire and the plug by new ones. The lamp is in full operation condition. I will gladly answer any question you may have.