Royal Mint plant for striking. This first phase of the mint was officially opened on 17 December 1968 by the royal attendance of Queen Elizabeth II, Prince Philip and their son Prince Charles. Originally there were fears that the Royal family would face protests because of the Investiture of Prince Charles as the Prince of Wales; however, such protests failed to materialise. The second phase of construction began in 1973 and included the addition of a means to mint coins from virgin metals completing the full minting process. Upon completion the final cost for the land, buildings and plant came to £8
Royal Mint mint was at the discretion of engravers who could undertake the work independently and receive and additional wage. A Royal patent which was issued in 1669 granted the mint the sole right to produce medals of any metal which bore a portrait of a monarch. Engravers would use the facilities at the mint to make commemorative medals to their own design for sale. A key date in the mint's history of producing medals for the military is 1815 when the Battle of Waterloo marked the beginning of awarding military campaign medals. By 1874 the mint was responsible for making all