I recall seeing many questionable images in even some of the old "Confederate Faces" volumes. One of my uncles recalled in the '50s many families in his neighborhood had a photo or two of a uniformed reb, many of whom they knew only as an unnamed ancestor, or at least thought so. His recollection as a history enthusiast was that at least older people in the South didn't talk about the war, and he recalls being hushed by his granny when he was inclined to be nosy about it. He noted alot of these pictures probably ended up in the trash long before the centennial and any particular interest in the subject. He once lamented to me that had he any foresight, he would have procured many such images, and even Confederate made rifles, which he occasionally saw in gun shops for comparatively reasonable prices.
Keeping that in mind, after a great aunt of our died some decades ago, my mother and granny were invited to stop by her place to salvage any family oriented stuff. Didn't find much. Ma had a hunch, and actually jumped in a dumpster, and from some dutiful rummaging found in a box the 1860s photo of their Confederate gramps in uniform, and his wife...