Austria, Empire. An Military Order of Maria Theresa, Grand Cross Star, by Vincent Mayer’s Söhne

An Austrian Military Order of Maria Theresa -  (Militar-Maria Theresien-Orden), Grand Cross Star in silver, silver gilt and enamels, Great War period manufacture; measures 60.3mm(w) x 60.7mm(h), of very fine quality manufacture by the official maker of this insignia "Vinc Mayer’s Sohne Wien", hallmarked on reverse of the star cartouche, also marked on the pin with "A A" mark (Viennese silver hallmark); enamels intact, in extremely fine condition and very rare. 

Accompanied by a Certificate of Authenticity produced by eMedals INC. and signed by Dr.Georg Ludwigstorff - Author of Austrian Orders and Decorations. Part 1: The Imperial-Royal Orders up to 1918. 2 Volumes