Green’s Dictionary of Slang

(UK Und.) a clipper of coins.

c.1698		B.E. Dict. Canting Crew n.p.: Nigler, c. a Clipper.
1719		A. Smith Lives of Most Notorious Highway-men, etc. (1926) II [as cit. c.1698].
1725		New Canting Dict. [as cit. c.1698].
1737, 1759, 1760, 1776		Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Nigler, a clipper, (cant).
1811		Lex. Balatronicum [as cit. 1785].
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue [as cit. 1785].