The Americans are believed at last to have made a lucky Hit. A Vessel from Cadiz, laden with Dollars on Merchants Account, to the Value of 150,000 l. is missing, supposed to have been taken by two Provincial Privateers, which had been obliged to quit the Tagus, on the late Edict of his Portuguese Majesty. Thirty per Cent was Yesterday offered upon the said Vessel, to the Insurers, and refused.