Schnellboot-Kriegsabzeichen, 1. Form). Constructed of gilded and silvered tombak, the obverse consisting of an oval oak leaf wreath, joined together at the bottom by ribbon, topped by a Kriegsmarine eagle clutching a mobile swastika, surrounding a central depiction of an E-boat cutting through waves in high relief, the reverse with a block hinge and horizontal banjo-style pinback meeting a flat wire catch, topped by a stabilizer, maker marked “SCHWERIN, BERLIN”, measuring 44.75 mm (w) x 57.13 mm (h), weighing 32.2 grams, a rare first pattern example in extremely fine condition.