Pablo Picasso - Seated Nude

Seated Nude by Pablo Picasso 

Republic of Equatorial Guinea 

Stamp issued 1978,Painting completed 1905

This is one of Picasso's works before he become of the the most famous artists of the modern era.  He was living in Paris at the time of completing this work, and he would change his style two years after completing this work, be re-arranging the faces of his models and going towards two dimensional painting, in a radical departure from European conventions at the time.

His other works that have been used on stamps include:

Mother and Sick Child

La Vie