Kiel, square silver medal (approximate. 27, 2 mm, approximate 9, 22 g), undated (1888), signed W. M. ST. (Wilhelm Mayer, Stuttgart), on the new navy academy in Kiel. Av: length portrait Prince Heinrichs from Prussia from the front. Rev: medallion with view of the academy, therefore ornaments. Punched, Kr., ss. Rare.