Germany 1912-1939 Zeppelin Flown Covers & PCs, including 1912 Rhein & Main service from Frankfurt, 1928 by LZ 127 to USA (2mk Zeppelin stamp creased), 1924 by Z.R.3 to USA, 1931 to Iceland with 1mk Zeppelin stamp, and 1930 Baltic flight (2mk Zeppelin stamp with closed tears). Fair to fine. (18)