Portrait of Hartmann 

"Portrait of Hartmann" is a graphite drawing by German artist Carl Hoff (1807-?). This simple yet striking portrait depicts the subject wearing a military cap and uniform. The use of hatching and shading creates a sense of depth and realism, highlighting the subject's features. The drawing, housed in the Städel Museum, offers a glimpse into Hoff's artistic practice and the portrayal of individuals within the context of military service.