Civil War Engraving from Frank Leslie's. Black; cream. Paper. This engraved centerfold is a series of sketches and portraits titled, "Siege Of Charleston--Portraits Of The Union Commanders, With Views Of The Operations.---From Sketches by W. T. Crane. They include, New Ironsides, Fort Sumter, Admiral J. A. Dahlgren and Gen Q. A. Gilmore.