A large format albumen print showing the Commissary Department at Headquarters, Army of the Potomac, dated February 1864. The printed credit below the image reads “Negative by T. H. O’Sullivan” and “Positive by A. Gardner, 511 7th St., Washington.” The photograph shows a group of soldiers and workers posed in front of wooden commissary buildings in a wooded encampment. Timothy H. O’Sullivan was a Civil War photographer associated with Alexander Gardner’s Washington studio.

The scene shows two large board storehouse structures with open doorways, surrounded by stacked barrels and supply crates. A line of uniformed men stands in front of the buildings, while additional figures handle boxes and supplies near the entrances. Tents are visible among tall pine trees in the background, and a horse stands at the right beside additional stores and equipment.

A mounted albumen print with printed title reading “Commissary Department, Head-Quarters Army of the Potomac.” Additional printed caption text includes “No. 61” and “February, 1864.” The lower margin carries the printed line “Entered according to act of Congress, in the year 1865, by A. Gardner, in the Clerk’s Office of the District Court of the District of Columbia.” A printed descriptive text sheet is mounted on the reverse.Album page measuring approximately 13 X 16 inches, image measures 7 X 9 inches