This is a set of commemorative silver coins for the birth of Prince George, the eldest son of the Duke and Duchess of Cambridge in 2013, issued by the Royal Australian Mint, part of the "Royal Firstborn Collection" series. Memorial background This coin was issued to commemorate the birth of Prince William, Duke of Cambridge, and Kate, Duchess of England, on July 22, 2013, of their first child—Prince George. It is also an official Australian tribute to important events of the British royal family. The silver coin itself Denomination and Material: 50 Australian cent proof silver coin, made of 99.99% sterling silver, weighing approximately 18.24 grams, with a diameter of 31.51 millimeters. Issue: Only 10,000 pieces, a limited-edition Proof Coin with fine craftsmanship and a strong mirror effect, offering high collectible value. Front: Portrait of Queen Elizabeth II, with ELIZABETH II AUSTRALIA 2013 marked on the edge. Back (not shown in the picture): Designed with the royal family tree, featuring William and Kate's initials, Prince George's birth date, and the denomination "50".