Germany, Wehrmacht. A Wehrmacht 4-Year Long Service Medal Auction marked with a hallmark flanked

marked with a hallmark flanked by a "G" and "F" and maker marked "BIRKS" on the reverse

5 mm respectively

the right end housing a large brass dual prong buckle

Second Class for 15 Years -  silvered bronze

measuring 35 mm (w) x 45 mm (h)

Germany, Wehrmacht. A Wehrmacht 4-Year Long Service Medal Auction marked with a hallmark flanked(Dienstauszeichnung 4. Klasse). Instituted 16 March 1936. (1936 1945 issue). Constructed of magnetic metal, on loop for suspension from its period original ribbon, the obverse bearing a raised Heer style German national eagle clutching a mobile swastika, circumscribed by a raised inscription of TREUE DIENSTE IN DER WEHRMACHT (FAITHFUL SERVICE IN THE WEHRMACHT), the reverse with a central raised number 4, within an oak leaf wreath, unmarked, measuring