Argentina, 200 stamps
British Commonwealth, 300v
Indonesia, 100v
Albania, 25v
South Africa, 100v
Worldwide, set of 500
Netherlands, 100v
Finland, 50v
Philippines, 50v
Yugoslavia, 100v
Bolivia, 25v
Worldwide, set of 200
Malta, 25v
Flags, set of 100 used
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.