A First World War German Imperial Submarine Badge 1918

A First World War German Imperial Submarine Badge 1918
Die struck tombac, gilded, reverse with horizontal flat pin, barrel hinge, and a round wire catch, manufacturer stamped “Walter Schot Fec.”, dimensions ca. 50 x 47 mm, miniature stickpin, length ca. 50 mm. Private purchase case, constructed of heavy cardstock, with a dark blue leather exterior, interior with blue silk covered lid liner and intact hinge cover, slotted blue velvet medal base with accommodation for stickpin, dimensions ca. 100 x 85 mm.
USA lot - more info here
Condition: II