Caption:
A chart of prisoner markings used in German concentration camps. Dachau, Germany, ca. 1938-1942. Beginning in 1937-1938, the SS created a system of marking prisoners in concentration camps. Sewn onto uniforms, the color-coded badges identified the reason for an individual's incarceration. Red indicated political prisoner, Green : Professional criminals; Blue: forced foreign labour; Purple: Jehovah's witness; Pink: homosexual; Black: workshy or lazy.