According to the back of this menu, one of the crown jewels of Britain is a ring known as the “wedding ring” because it represents the marriage of the monarch to the nation. The menu claims the ring dates back to Edward the Confessor, the last Anglo-Saxon king of England before the Norman Conquest in 1066. As depicted on the menu cover, Edward gave the ring to a beggar who turned out to be John the Evangelist (author of the gospel of John). When John returned the ring, Edward declared it should be used at future coronations.
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Wikipedia, however, says that before 1831 a new coronation ring was made for each new monarch. The ring made in 1831 for the coronation of King William IV has been used for all subsequent monarchs except Victoria, whose fingers were too small for it. So much for the legends.