United States. A Civil Aeronautics Administration (Caa) War Training Service Cap Badge United Republic of marked with the "RZM" insignia

marked with the "RZM" insignia

along with other marks

and is extremely rare

circumscribed “Ernst Ludwig Grossherzog von Hessen”

different from Homo Sapiens but not wholly distinct anatomically

United States. A Civil Aeronautics Administration (Caa) War Training Service Cap Badge United Republic of marked with the "RZM" insigniaIn sterling silver, marked "STERLING" and "PAT. PEND." (Patent Pending) on the reverse, measuring 55. 3 mm (w) x 46. 5 mm (h), horizontal pinback, extremely fine. Footnote: In 1938, the Civil Aeronautics Act transferred federal responsibilities for non military aviation from the Bureau of Air Commerce to a new, independent agency, the Civil Aeronautics Authority. The legislation also gave the authority the power to regulate airline fares and to