There have been many stamps issued that are not recognised as true
postage stamps. They are called 'Cinderella Stamps' and may be
local stamps that were not issued by a recognised postal authority,
revenue stamps, publicity labels, Christmas seals, charity labels, private posts and many more.
This stamp is a local stamp issued by Lundy Island off the south-west of the
British Isles. The island is privately owned and runs a private postal service. They
as their currency. Many people collect these stamps.