Green’s Dictionary of Slang

cant of dobbin n.

a roll of ribbon.

1789		G. Parker Life’s Painter 142: You’ll buy a dozen or two of wipes, dobbin cants, or a fam or a tick, with any rascal, from a melting-pot receiver in Duke’s place, to a fence shop in Field Lane.
a.1790		H.T. Potter New Dict. Cant (1795).
1812		Vaux Vocab. of the Flash Lang.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.