Original East German (DDR) Winter Artificial Fur Hat {"Ushanka"} -MdI [Ministerium des Innern - Ministry of the Interior] marked; used by GRENZTRUPPEN soldiers! Size 58cm -- LARGE!!! This winter hat is in mint, perfect, unissued condition. It still has the factory-applied cardboard inner hat liner, which protects the shape and is removable. 

This is a very rare version; "MdI" marked hats are not common in the USA.