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 Canadian Mint the mint, and had a limited mintage of only 2,000 coins worldwide. High-grade examples of this coin fetch $1500 to $5000 at auction. Demand for the coin has been unprecedented, and it was the lowest mintage 0.9999 silver coin ever produced by the Royal Canadian Mint until the 2009 release of "Surviving the Flood", a 1 kilo 0.9999 silver coin which has a worldwide mintage of only 1500. On October 19, 2007, the Royal Canadian Mint issued ten new collector coins, including a 25¢ coin minted to commemorate the 60th wedding anniversary of Elizabeth II, Queen of Canada, and Prince