Traded on the black market. / Contraband, bootleg or smuggled.

(intransitive) To participate in a black market. / (transitive) To sell in a black market.

trade that is in violation of restrictions, rationing, or price controls / the people who engage in such trade (considered as a group), or that sector of the economy

present participle of black-market

Someone selling black market goods or trading on the black market.

plural of black marketeer

The practice of selling black market goods or trading on the black market.

plural of black market