Green’s Dictionary of Slang

(UK Und.) money, esp. when expected; thus the punning phr. raise the recruits, to obtain money.

c.1698		B.E. Dict. Canting Crew n.p.: Recruits c. Money (Expected.) Have you rais’d the Recruits, c. is the Money come in?
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].