General Abner Doubleday CDV Doubleday as Captain of Fort Sumpter and noted as such on the front of the card. Doubleday took command of General Reynolds corps upon the death of Reynolds at Gettysburg and fought gallantly. Back marked From Photographic negative from Brady’s National Portrait Gallery. The seller label of Higby and Stearns, Druggists, Detroit is on the back I suspect on top of E & HT Anthony.