Published image with inscription on the verso "Ordinance Officer Baker in pursuit of ammunition Washington DC  May 4th 1861".  John A. BakerResidence was not listed; 48 years old.Enlisted on 4/17/1861 at New York City, NY as a 1st Lieut.On 4/26/1861, he mustered into Field & Staff New York 7th Inf SM.He was Mustered Out on 6/3/1861 at New York, NYPromotions:1st Lieut 4/17/1861 (1st Lieut & Ordnance Officer)Sources used by Historical Data Systems, Inc.:New York: Report of the Adjutant-General 1893-1906Photo courtesy of Massachusetts Commandery of MOLLUS