Granville Bruce, Private, Company C, 12th Regiment Maryland Infantry (100 Days, 1864), 21 year old Postman, born in Amherst, Virginia, hazel eyes, brown hair, fair complexion, 5’ 7”, enlisted July 8, 1864 for 100 days, at Baltimore, present at Sep/Oct, 1864 muster, mustered out at Baltimore, Md, November 6, 1864

Compiled Service Records of Volunteer Union Soldiers Who Served in Organizations from the State Of Maryland

.......

Comment, as a 21 year old, most likely residing in Virginia, he would have been of Conscript age for some time. Thus,
it would seem he had been a Confederate soldier, captured by the Feds, winding up as a Galvanized Yankee