Hans Buling (?), an itinerant medicine vendor selling his wares with the aid of a monkey and a performer dressed as Harlequin. Engraving.

Licence: Public Domain Mark

Credit: Hans Buling (?), an itinerant medicine vendor selling his wares with the aid of a monkey and a performer dressed as Harlequin. Engraving. Wellcome Collection. Source: Wellcome Collection.