We live in an age when royal princesses can be seen as style icons. Princess Diana, Princess Margaret, Princess Grace of Monaco  and Queen Rania of Jordan have all been admired for their fashion choices and style, and it seems that Kate Middleton is about to join their feted ranks. But the original style Princess is hardly remembered today. She was Princess Marina of Greece, who married Prince George, the youngest and most handsome son of George V in 1934 and became the Duchess of Kent. Marina was a tall, beautiful women with an impeccable sense of style. No ingenue when she married the Prince, but an independent women of…