In This Nazi-Era Restitution Dispute, the Focus Turns to a Missing Cow

A family is vying for the return of a painting it thought was by Rubens. But an expert says it’s a copy because it does not include the artist’s depiction of a peeing cow.

​A family is vying for the return of a painting it thought was by Rubens. But an expert says it’s a copy because it does not include the artist’s depiction of a peeing cow.