Teapot – Alboid – 1900 – Daalderop Alboid is nickel-plated "Britannia metal". A Britannia metal is tin with a high antimony content, also called Sheffield Plate Size: height 15 cm (including button lid) x width 21 cm (including spout and handle). Diameter: approximately 12 cm. Characteristic bottom: Daalderop - 1647½ With light dent in side wall. The spider through the hinge seems to be a nail and in the lid some rust is visible (see picture).