The most studied period of Pablo Picasso's career, it seems, still had a secret to keep: a mystery woman hidden beneath a ...

New research into a Picasso portrait from his Blue Period has revealed an underpainting of a mysterious woman hidden for over ...

Undiscovered painting by Picasso of a mystery woman, hidden for more than a century beneath a painting from his famous Blue ...

Husband Gwilym Prichard and wife Claudia Williams had decided against selling their paintings though they were later valued ...