Jew’s, n. — Green’s Dictionary of Slang

Jew’s n.

[the three balls that signify a pawnbroker and the fact that most Harlem pawnbrokers were Jews; note 1887 Bulletin (Sydney) 5 Nov. 8/3: ‘The Red Sea was divided and held back as a wall on either hand for the ancient pawn brokers to pass over’]

(US black) a pawnbroker.

[1869

Every Sat. (N.Y.) 751: It was quite certain Mr. Blook had not pawned it at the Jew’s, or the Jew vould have known].