It depends on what country they were living in, but it's possible.
It began earlier - in Germany in 1938. It was a way of marking them out, of discriminating against them and of humiliating them.
Playing cards starting with j: joker and jack.
jews
Jews
In Latin, the "J" is an "I". So on the crucifix you see "INRI". This is from "I(J)esus Nazarei, Rex I(J)udiae" Jesus of Nazareth, King of the Jews.
J. R. Burdick has written: 'The American card catalog' -- subject(s): Collectors and collecting, Advertising cards, Cards, Trading cards
52 cards in a deck
Jews. Jews has four letters. and gold.
From 1938 on the passports of German Jews were stamped with a large red J.
54 cards in a deck with jokers.
Abraham J. Feldman has written: 'The American Jew' -- subject(s): History, Jews in the United States, Bibliography, Jews
It means Jack.