FREDERIC II (1712-1786) King of Prussia. L.S., Potsdam May 10, 1767, to his chamberlain Marie-Antoine, Count de Barbarin; 1 page in-4; in French. "I am pleased to see by your letter of the 9th of this month, that you have made the changes to the conditions I desire of the Company in question. I have approved them all, as the Minister of State of Storst will not fail to tell you more fully on my behalf...".