CUSTOMS OFFICIAL'S MOUNTAIN BERGMUTZE Scarce wool mountain cap ("Bergmutze") issued to a German customs agent, green wool body with BeVo insignia, single button front closure with beige button which has aged to an amber color, and dark green piping. The leather sweatband is about fifty percent gone, the balance torn, the atypical field gray quilted lining is intact and in very good condition. The right ear flap bears considerable mothing, the left just a bit, otherwise this cap is in very good condition. From the collection of an early aviator who trained American pilots and later founded an airport in Waterbury, Ct.