This is a museum quality reproduction of a very rare WWI Russian Officers Navigator Class Badge made in Sterling Silver with a correct brass nut and the compass disk in 24k Gold plate over sterling. The badge is 1 5/8 inches wide.This badge is described in “Badges of the Imperial Russia” by Andolenko and was issued on June 3, 1913.  Imperial Russian badges are extreme hard to find and sell for 10 times or more what the starting price is for this exceptional museum reproduction. It is an extremely different looking badge and very rare badge.