JAPAN (1989) Hot air balloons*. World Balloon Championship issue overprinted MIHON (specimen). Scott No 1998, Yvert No 1783. Beautiful!
AVAILABLE AT $25
NORTH KOREA (2002) Zeppelin Centennial*. Minisheet of 4 overprinted SPECIMEN. KSC No 4168.
AVAILABLE AT $30
PARAGUAY (1981) Graf Zeppelin in South America*. Souvenir sheet overprinted MUESTRA. Scott No C501.
AVAILABLE AT $22