One of the smallest Hopi rings I have come across.  Tested silver.  It is actually for a small child or baby with the size being a 2.  I think the design is the face of a woman when turned the other way.  I believe it was made at the Hopi Craft Guild (as the mark indicates), but then it is also maker marked as “DMN” signed by electroplate.   If you need a little bitty ring, this one may be for you.