Germany, Wehrmacht. A Second War Period Wehrmacht Medal Bar certificate_of_authenticity Very rare maker only working

Very rare maker only working for short period during WWI

reverse with buttonhole for attachment

maker marked "M S BROWN" on the reverse

(Panzerjäger Schulterklappen und Kragenspiegel)

Promoted to rank of Major on the 10th November 1917

Germany, Wehrmacht. A Second War Period Wehrmacht Medal Bar certificate_of_authenticity Very rare maker only working(Ordensschnalle). A Second War period Wehrmacht medal bar featuring five decorations, including a 1939 Iron Cross II Class, constructed of iron and silver, consisting of a blackened magnetic iron core within a ribbed silver frame, the obverse with a central mobile swastika, the six oclock arm with a reinstitution date of 1939, the reverse six oclock arm with an initial institution date of 1813, the twelve oclock arm with an integral loop connecting to