1928, “First Flight Airmail – United States – Germany”
Postal Card embarked on dirigible Graf Zeppelin LZ 127 on October 28, special handstamp in violet on pair of 20 cent green, 10 cent blue and 5 cent carmine and blue. Air Post(Scott C9, C10, C11). Backstamped “Friedrichshafen 1/11/28” arrival postmark. Fine and interesting.