A group of three WWII Polish Holocaust wooden hand stamps of Ghetto administrations. Two round seals including Postablage Stelle im Judischen Wohnbezirk Warschau, Post office in the Jewish residential district of Warsaw and Ordnungsdienst Sluzba Porzadkowa J R Cz R Z Cz, Jewish Ghetto Police Security Service. Also includes a square seal reading Ordnungsdienst Sluzba Porzadkowa JRW RZW. The Warsaw Ghetto was the largest of the Nazi ghettos during World War II. It was established in November 1940 and demolished in May 1943. Second World War Historical Collectables And Memorabilia. Holocaust Period Stamps And Seals.