Mr Brown previously told the BBC the coin was one of the few minted during the reign of a monarch which does not feature their face, adding: "It's so unexpected." It depicts a castle on one side ...

He said it was one of the few coins minted during the reign of a monarch which does not feature their face, adding, "it's so unexpected". The coin is expected to sell for between £15,000 and £ ...

The face of Sponsian, who was purged from history by experts in the 19th century. Researchers have now established that he was a lost Roman emperor An ancient gold coin proves that a third century ...