Wax seals have a long and interesting history, dating back thousands of years. They were first used in ancient civilisations, such as Mesopotamia and Egypt, to seal important documents and messages. However, it was during the Middle Ages that wax seal stamps usage grew. During this time, they were used by nobles, clergymen and rulers as a mark of authority and authenticity, often used to seal royal charters, treaties and other personal documents like love letters.