This old (I have had it for more than 50 years) sterling silver cuff bracelet is signed "DG" for the Native American maker, also marked "STERLING" and "HAND MADE".  Mostly gray agate cabochon is 1.8 inches by 1.4 inches in a mounting almost 2 inches by 1.5 inches. As it exists, it snugly fits wrists 6.2 inches around including a gap of 1 inch. However, it can be gently bent to fit a little larger size. FAST & FREE SHIPPING within U.S.