LONDON, ENGLAND - JUNE 10:   Queen Elizabeth II and Prince Charles, Prince of Wales arrive to view the ornate Gurkha Truncheon (ceremonial staff), which is the Gurkha Rifles equivalent of a regimental Colour (battle flag) and was given to the Rifles by order of Queen Victoria in 1863, during a viewing of the truncheon in the Bow room at Buckingham Palace on June 10, 2015 in London, United Kigndom.  (Photo by John Stillwell - WPA Pool /Getty Images)