Helped by his wife, Michael Schumacher has signed a crash helmet that will auctioned off for charity. The F1 legend, who suffered a devastating head injury in a ski accident 12 years ago, wrote his initials,

Formula 1 champion Jackie Stewart wore a helmet bearing the signature of all living Formula 1 champions including Michael Schumacher as he drove one of his title-winning cars for charity at the Bahrain Grand Prix on Sunday.

Michael Schumacher has signed a helmet for a charity auction with help from his wife, 12 years after suffering a horrific brain injury in a skiing accident.