Notice is hereby given, that the Post-Office of Philadelphia, is now kept at B. Franklin’s in Market-Street. And that Henry Pratt is appointed Riding Post-Master for all the Stages between Philadelphia and Newpost in Virginia, who sets out about the Beginning of each Month, and returns in 24 Days, by whom Gentlemen, Merchants and others, may have their Letters, &c. carefully convey’d, and Business faithfully transacted, he having given good Security for the same to the Hon. Col. Spotswood, Post-Master General of all his Majesty’s Dominions in America.