The Machin definitive series is one of the most widely collected areas of modern philately. These stamps are called Machins because the artist who created them is Arnold Machin. The first Machin stamps were printed in 1967. For example, this one shows that the airmail rate from Scotland to the USA in 1972 was 4 pence. Phospor Tagging Phosphor bands help post office machines to cancel stamps.
Phosphor bands are clear, shiny stripes in the middle or on the edges of stamps.
In 1990, Great Britain issued a two-queen Machin because it was the 150th Anniversary of the Penny Black, the world s first postage stamp. The second queen on the stamp is Queen Victoria. The stamps only say what kind of letter it is. Local Machins Local Machins About the Author Francisco Arredondo is 10 years old. He likes to play soccer.