Photographer: Iron Cottage Studio
According to one example on eBay, the studio name at one time was Fitzgerald and Hoffman, Iron Cottage Studio, Gatesville, TX. Nothing further has been found.
EBay example below. Note the similarity in technique.
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.