HKE porcelain thermal teapot

Old thermal teapot in porcelain and silver metal. The teapot is covered with a thermal insulator under the silver metal which helps to retain heat. Art deco model. hke porcelain. The color of the metal is golden. The metal is oxidized in places (small stains taken in photo). The porcelain teapot has some tea marks on the bottom and the lid has a crack (which does not affect its use). Height 19cm. Wingspan 20cm. Capacity 50cl.