Ultra rare postcard sent by an inmate from Polenlager Auschwitz in 1941. This camp was a germanisation camp for Poles within the Auschwitz complex. It has the "Z" stamped, that identifies letters and postcards sent from this very particular camp. Very very rare item! In great condition with all the stamps present.More info about Polenlager !!!https://en.wikipedia.org/wiki/Polenlager