ALS signed “J. J. Astor,” one page both sides, 5 x 8.25, April 20, 1876. Letter to artist Henry A. Ferguson. In part: “I…am much pleased to hear that the view of the Hudson from West Point is completed. Your description of it is most agreeable, and I am sure it will realize my expectations.” In fine condition, with central vertical and horizontal folds with small edge separations. RR Auction COA.