Green’s Dictionary of Slang

(Ling. Fr./Polari) money, usu. silver.

1859, 1860		Hotten Dict. of Modern Sl. etc.
1873		Sl. Dict.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.
1893		P.H. Emerson Signor Lippo 28: They were Stock Exchange cards, so we knew there would be plenty of gent.
1996		H. Young Lex. of Polari 🌐 gent money.
2023		R. Milward Man-Eating Typewriter 70: [D]id Madame leave me any gent? Argent? Any silver, any monies, monsieurs, monsters, misters?