901. CIVIL WAR MEDICAL Lot of two items includes an A.L.S. of Union surgeon J. M. Allen, Jr., Brooklyn, Feb. 18, 1865 certifying that he is caring for Sgt. Wm. Corrigan of the 1st N.Y. Artillery, hospitalized with diphtheria. Sold with a Confederate medical voucher marked "General Hospital No. 21", Richmond, Jan. 5, 1865, a bill for printing. Two pieces, very good. $100-150