This is a photo of my great grand father, Louis Hofferberth, who served as a 1st Lieutenant in the 45th New York Volunteers (German Rifles) from September 1861 to January of 1863.
Officer standing upright. he is holding his hat in his right hand and a sword in his left hand.
Civil War officer leaning elbow against column and sword propped in his left hand.
The studio name on the back of the photo is: K.W. Beniczky, No.2 Chambers Street, CO 8 CHATHAM ST. N.Y.