AIR MAIL and ZEPPELIN Germany

Quality: ✉

16.5.1929 N° 23b (Mi. Zeppelin Specialised), LZ 127 Amerikafahrt cover to Ferndale, Michigan bearing a 4 RM stamp (Michel 424) tied by Bordpost cancel, zeppelin flight cachet in blue alongside, as well as carmine single-line handstamp applied when the airship had to do an emergency landing in Cuers (thus delaying the delivery), arrival c.d.s. on reverse, vf