This is because Britain was the first country to produce stamps.

He is thought not to have produced whole stamps apart from the classic issues of Mexico.

Four stamps were produced but only two were actually used.

However, this theory cannot be correct because the stamp was produced in a single printing.

Winter produced stamps that if real might be catalogued at $20 million.

Since 1990 all stamps of Vietnam have been produced domestically.

He produced stamps for Sweden and 28 other countries.

Chile has produced stamps for national use since 1853.

The stamp was produced and issued to honor the world's first communications satellite.

Questions are often raised about when a stamp is legitimately produced for postage.