Azel Norman Blanchard (1843-1923) photographer in 1865, Barre, Vermont and in 1880, Monpelier.
Another example and a bit more biography at Cabinet Card Gallery.
Not the one you were looking for? Here's the photographer's INDEX by name. Listed here are all the Cabinet Card photographers of the 19th century found in LOST GALLERY. This is a work in progress. For a look at the original postings go to LOST GALLERY.