A WWII cast brass paper knife, or letter opener. The figurative handle represents a profile of a Jewish man. The blade is engraved with a Magen David inscription Ghetto Warsaw 1941. The Warsaw Ghetto was the largest of the Nazi ghettos during World War II and the Holocaust. It was established in November 1940 and demolished in May 1943. Second World War Historical Judaica And Memorabilia. Nazi German Holocaust Collectibles.