Uncustomed

[…] with them came a great numbre of rascal & pedlers, & Iuellers, and brought ouer hattes and cappes, and diuerse merchaundise vncustomed, all vnder the coloure of the trussery of the Ambassadours.

In the Duchie of Millan, the Governour is very politike and severe, in searching after bookes and uncustomed wares, though it tend but to a paire of stockings […]

1760, Tobias Smollett, Continuation of the Complete History of England, London: Richard Baldwin, Volume 3, p. 331, […] a bill was prepared […] importing a continuation of several laws, namely, the several clauses mentioned of the acts in the fifth and eighth of king George I. against the clandestine running of uncustomed goods […]

Every uncustomed spirit, every prohibited ware, physical and intellectual, there finds its mart; and the chief art that is practised is to cheat as cleverly as may be—the chief science learned, is how to defraud without being detected.