It has a history of 177 years. The Queen's most famous crown, it was initially crafted for Queen Victoria's coronation in 1838 by Rundell, Bridge & Co., the royal jewelers at the time. The double crown was designed by John George Adler and Alfred Gilbert, who also created the statues on Victoria's tomb. Its total value has been estimated at around $1 billion (USD). The original crown was lost during a flight from Windsor Castle to London in 1850, but it was replated with more modern materials instead. The original metal work can be seen inside the Royal Collection at Kensington Palace. After Victoria's death in 1901, her crown was passed on to her successor King Edward VII, who had been fond of the item. It was he who had the base for the crown altered so that it could be used with the headpiece still attached to the queen's corpse. This alteration made it possible for his new crown to be used immediately after his death in 1910. The two crowns are now kept separately in case one needs to be worn by another monarch. The current monarch, Elizabeth II, was crowned using the same type of crown she wears today. The ancient British monarchy had no set age limit for its members, but most were expected to live long enough to see their children succeed them as king or queen.