White earthenware clay round square dish, marked 18/100 and incised 'B100', with 'Madoura Plein Feu' and 'Empreinte Originale de Picasso' stamps on the underside
White earthenware clay round square dish, marked 18/100 and incised 'B100', with 'Madoura Plein Feu' and 'Empreinte Originale de Picasso' stamps on the underside