The content originally appeared on: CNN The most recognizable person in the world She's been photographed, painted and graffitied. She's been struck on coins, cast in iron, silk-screened onto T-shirts and fired onto plates. There's even a Barbie doll in her likeness. At 96 years old, the longest-serving monarch in Britain's history celebrates seven decades on the throne this year. Queen Elizabeth II's reign has seen the proliferation of color photography, the commercialization of television and the pervasiveness of the […]