Civil War Single Breasted Frock Coat

Here is proof that Majors (and possibly Lt. Colonels) wore the incorrect, non-regulation coat or the single breasted frock coat rather than the regulation double breasted coats. i.e. one of Norman Smith's images showed him (as a Major-Surgeon) wearing a single row (single breasted) coat.        Norman Smith, M.D. in his frock coat Regarding Surgeon Norman Smith, 6th Mass Vols.:  Norman Smith surgical set   "Some 36 wearied, sick, wounded soldiers were thrown upon his surgical skill and care by the violence of that passage (thru Baltimore streets), while 86 years before, his wife's grandfather, Jonas Brown, was wounded at The Bridge (Concord, Mass, and bleeding, chased the enemy 9 miles."        From Contributions of the Old Residents Historical Association Lowell, Mass.   Documentation of the amputation performed by Norman Smith, M.D. in Washington, D.C. after the Baltimore Riot Moses S Herrick Dr. Norman Smith's amputation patient 1861 Norman Smith Biography Documentation regarding the uniform worn by Dr. Smith in the document photos Norman Smith's Colt Dragoon pistol Additional information on Dr. Norman Smith in his uniform Return to the display of the Norman Smith surgical set Documentation regarding the uniform worn by Dr. Smith in the photos 6th Mass. Vol. Militia and the Pratt Street (Baltimore) Riot at the start of the Civil War