Now I am about to show my age, when I was growing up ...last century... there was a British TV program call The Professionals, the English Starsky & Hutch.
It was a British 'cop' show. They were a special organisation called... CI5. Well I couldn't resist the below, even if it really is C15, made me smile. I wonder if her calf's name was George, Bodie or Doyle?