CSA memorial link

[observator]

PVT Thomas H Phifer (1843-1862) - Find a Grave...

PHIFER, T. H. Pvt. Confederate States of America, Army of Northern Virginia, Stonewall Jackson Corps, Starke's Brigade, Company D, 2nd Louisiana Infantry. Enlisted May 11, 1861 and killed in the Battle of Antietam, Sharpsburg MD, during the morning hours of September 17, 1862. Confederate...

www.findagrave.com

I think he is wearing a 18th Century one shot dueling pistol...