1990 Germany
1959 Berlin
1956 Berlin
1963 Berlin
1966 Berlin
1957 Berlin
1961 Berlin
1960 Berlin
1964 Berlin
1965 Berlin
1969 Germany
1958 Berlin
1959 Germany
1962-63 Berlin
First commemorative stamps of the 20th century.
Columbus stamp promoted the 1893 Chicago World Columbian Exposition.
A single stamp to cover the one-pound air parcel rate in 1952.