On the left is Prince Charles in 1976 in Badminton, England. He would have been about 28 years old then. On the right is Prince William, 26, as he appeared last week at the Christmas Day Service in Sandringham. (click image for larger)
It’s interesting that at about the same age, both father and son were struck by a fancy to grow their facial hair. I wonder if Prince Harry would follow suit in a couple of years.