A group of 3 concentration camp triangles: a political inmate from Poland (P), a political prisoner from France (F) and a black triangle with the letter A in the center, which showed the prisoner sentenced to rehabilitation work, Arbeitserziehungshaftling. The red cloth was to identify the inmate as a political prisoner. The black cloth was used for asocial prisoners. The letter indicated camp status or nationality. The patch would be attached on the left breast of the jacket or on the pants leg. World War II Historical Collectibles And Memorabilia, Nazi Germany, Ghettos And Concentration Camps, Armbands And Stripes.