Late 19th century Continental school Portrait of a woman, probably Maria Anna of Austria, Queen of Spain (1606-1646), in a black dress with white lace collar and red ribbons, half-body to the left against a green curtain background. Miniature on oval ivory 10.5 x 7.9 cm Signed on the right with a monogram in red: "S.B.". Under curved glass, unframed.