Taken 1861-1862?
Good Photograph of a Union Army Company
https://commons.wikimedia.org/wiki/File:Company_of_Infantry_on_parade_-_NARA_-_530546.jpg
Good Photograph of a Union Army Company
https://commons.wikimedia.org/wiki/File:Company_of_Infantry_on_parade_-_NARA_-_530546.jpg