Marienburg 7166; Silver (.990), 18.85 g., 35.3 mm., Proof; By Lauer; Obv: Portraits of Franz Joseph I and Wilhelm II; Rev: Coats of arms of Germany and Austria-Hungary, Lettering: "Zur Erinnerung an den Besuch - Berlin - Mai 1900" (Translation - "To commemorate the Visit to Berlin in May 1900"); German hallmark on the edge (The moon and the crown 990) & Austrian hallmark on the reverse side (The dog's head "1"); With minor hairlines & outstanding patina