Is it Elvis? Is it Queen Elizabeth II? Is it Gary Lineker? No, it's an eight-year-old girl called Carole and a terrifying clown. Here is the history of the BBC's Test Card F.

Is it Elvis? Is it Queen Elizabeth II? Is it Gary Lineker? No, it's an eight-year-old girl called Carole and a terrifying clown. Here is the history of the BBC's Test Card F.