Navajo, early - mid 20th century. Leather bow or wrist guard, adjustable with leather ties to approx. 9.25" Silver plaque with stamped and repousse work, approx. 3.25"h x 2.25"w, center round turquoise. Bracelet approx. 3.5"w. Shows wear consistent with age and use. A Ketoh or bow guard is a heavy wrist band to protect the inner portion of the lower arm of an archer from the snap of the bow string.