The Universal London price-current : containing the prices of merchandise in general, with the duties on importation and exportation computed to the last sessions of Parliament, and the drawbacks on each article, regulated and corrected by the most eminent brokers, factors, &c. the course of exchange; the prices of stocks and bullion; the public sales that occur weekly; the premiums of insurance to and from the most considerable places of trade; and the weekly importation of goods into the port of London