‘Early Da Vinci portrait’ discovered in a Leonardo notebook
img src="http://newsimg.bbc.co.uk/media/images/45521000/jpg/_45521312_notebook_pa226.jpg" align="left" width="226" height="170" alt="A Leonardo Da Vinci notebook (file image)" border="0" vspace="4" hspace="4"p class="first"bA sketch found in one of Leonardo da Vinci's notebooks could be an early self-portrait, experts believe./bpThe drawing had been obscured by handwriting for 500 years before being discovered by Italian scientific journalist Piero Angela.pAfter ...