“ Chief Justice MARSHALL delivered the opinion of the court, that the use of a license or pass from the enemy, by a citizen, being unlawful, one citizen had no right to purchase of, or sell to, another, such a license or pass to be used on board an American vessel. ”

“ The license was as follows:
'Copy of a letter from his Excellency H. Sawyer, his Britanic Majesty's Vice-Admiral on the Halifax station, to his Excellency the Chevalier de Onis, his Catholic Majesty's envoy extraordinary, and minister plenipotentiary near the United States of America. ”

“ Philadelphia.'
The court below upon this evidence, charged the jury, that on the evidence so offered, if believed by the jury, they ought to find a verdict for the defendant. To which charge the plaintiff excepted. ”