black market

If it were in working order it would have been worth close to three hundred dollars—more than that on the black market.

“I make no bargains with Black Market dealers,” retorted Mr. Parker.

Penny opened her lips to tell the black market “runner” what she thought of a person who would engage in such illegal business.

The silk was fine and beautiful, unquestionably pre-war and of black market origin.

A black market in poisons operated for a little while, but soon pinched out.

Nothing very reliable was available in the black market without more notice.

Even the most respectable businessmen were doing occasional business with the black market in technological devices.

There still were crooks who thought that the black market dealt in stolen goods of that sort.

The black market boys didn't like to have their customers robbed of scientific equipment; it might reflect back on them.

What bootlegging had done for the average citizen in the Twenties, the black market was doing for scientists fifty years later.