This 6d blue airmail stamp commemorated the 30th Anniversary of the First Crossing […]
The first Greek airmail stamps were produced in October 1926 to repay postage […]
In May 1939, the Azores strengthened the importance of its ocean geographic position […]
Before telling the story behind the fascinating cover illustrated, a description is necessary...
The design shows a De haviland biplane over a flock of merino sheep […]