"This small bozetto exists in several versions, although the finished altarpiece it relates to remains untraced. It has been attributed to a variety of painters in the past, including Agostino Carracci, Andrea Sacchi and Salvator Rosa, of whom Magnasco was a follower.
Magnasco was a Genoese painter who favoured dramatic landscapes, forcefully rendered, often featuring furious storms. Although the scene shown here is fairly conventional, the artist favoured unusual subjects, including gatherings of robbers, and the interrogations of the Inquisition."