"It held coins - sovereigns"
Back and front views of a Queen Victoria sovereign (1887)
Public DomainBack and front views of a Queen Victoria sovereign (1887) - Credit: Anakin 101, Wikimedia Commons

A sovereign is a British gold coin, first issued in 1489. It was worth £1 sterling.

Sovereigns have not been produced in any numbers since the First World War, although they are theoretically still legal tender in Britain.