A few more of W. A. SMITH's cartes de visite have come to light in Canada. All appear to have rounded corners. Although they are neither named nor dated, their numbers and other details may be useful:
There are numerous pointers here to the late 1860s or early 1870s. Incongruous drapery, supposedly hiding a headrest or neck clamp, was still almost obligatory, even for such a young man who might not be expected to need the additional support of both a chair and a cane to keep him steady.
It would be hard to cram more fashions of the early 1870s into this impressive little print. The suffix on the back may have been amended from "vig" to "oval" as a true vignette would have a fading border …
… like this later "vig."