The Royal Mint in Llantrisant, South Wales has produced special coins to mark the christening of Prince George.
According to the BBC, 22 of the most expensive coins will be struck containing a kilogramme of fine gold each. A range of coins at different prices is being struck.
It is the first time that a royal christening has been marked with coins.
The Duke and Duchess of Cambridge's son will be christened on October 23, just over three months after his birth.
The Archbishop of Canterbury, the Most Reverend Justin Welby, will perform the christening at the Chapel Royal at St James's Palace.