Civil War Certification mustering out John Duffy

Certification from the Adjutant-General's Office, Commonwealth of Massachusetts dated January 3, 1879 stating that John Duffy of Warwick, age 25, occupation laborer was mustered out from Co. M, 3rd Regt. Mass Volunteer on June 17, 1865, the end of the Civil War.
John Duffy had enlisted and mustered into service on August 24, 1864 for three years.

Civil War Records are located left unit, wooden cabinet, room 1a