a: Identification card, photo of man wearing OST and 599 patches on right side, two fingerprints underneath, Nazi emblem stamped in purple over corner of photo. b: Cloth patch, OST printed in center in white, blue background with two white square borders. Information Provided by Michael D. Bulmash: Patch sewn to clothing of slave laborer Michael Harbus. Referred to as “ostarbeiters,” they were conscripted from German occupied territory in Eastern Europe and the Soviet Union, and deported to Germany to perform work. Michael Harbus had lived in the vicinity of the Kiev prior to the German occupation. Typically ostarbeiters lived in compounds and were not allowed to fraternize with Germans as they were regarded as subhuman.https://digi...