John Jay, the first Chief Justice of the Supreme Court, served the new American government in many important capacities. He served as President of the Continental Congress, Minister to Spain, George Washington’s Secretary of Foreign Affairs, co-author of “Federalist Papers” and negotiated the Treaty that opened the West. His letters have always been in demand and many of his important letters are in the collections of Columbia University. Many decades ago, we offered for sale, individually, the letters John Jay wrote to his wife; these letters are not only a very interesting commentary on the country’s affairs but very personal as well. Occasionally one will come onto the market.