CSA 4, 5¢ blue pair tied neat blue CHARLOTTESVILLE / VA // AUG / 5 / 1862 double-circle datestamp on neat cover, bit reduced at left, to Dr. J.B. Stovall, Richmond, Camp Winder, Va. Ex Engstler and Benson. $300.    

Camp Winder (AKA Winder Hospital) had more than 98 buildings; it sat on 125 acres of farmland and accommodated nearly 5,000 patients. It was referred to as the largest hospital in the Confederacy. Copious amounts of information may be found online about Winder.