This is a tufa cast belt buckle. Tufa is a volcanic rock that is easily carved. The pattern is carved in reverse and in the negative, then through a process, the molten silver is cast into the pattern and hand finished. This is  a very heavy buckle and very sturdy. It is an image of Mt Teton. The title is 43.74N,110.8W which is the gps coordinates for Mt Teton.