"Picasso often reused his canvases at this time because he did not have much money," the institute explained Historians recently made an unexpected discovery while examining one of Pablo Picasso’s paintings.

Under the painting of a Spanish sculptor is the outline of a woman, according to new infrared images. The artwork will be displayed in London.

One of Pablo Picasso's earliest Blue Period paintings contains another portrait hidden beneath its surface, specialist imaging technology has revealed. The big picture: The artwork of the mystery woman was discovered when Courtauld Institute of Art conservators "took x-ray and infrared images of Portrait of Mateu Fernández de Soto — a portrait depicting Picasso's sculptor friend painted in 1901,

Experts analyzing the painting have several theories about why this unidentified woman has remained submerged for more than a century.

Nearly 125 years after Pablo Picasso painted one portrait, high-tech imaging tools have revealed a secret — another, earlier portrait concealed beneath.

Art historians studying a Picasso painting uncovered the mysterious portrait of a woman hidden beneath the painting’s surface. The portrait of the woman was lost in 1901, when Picasso painted a portrait of his sculptor friend Mateu Fernández De Soto over the original.