Zuni Silver, Turquoise, and Shell Channel Inlay Cuff Bracelets

lot of 3, includes a silver cuff with stamped edges and a row of shell; not marked, cuff width 1 in., interior circumference 5.5 in. x gap length 1 in., weight 41.9 dwt.; PLUS a silver cuff with raised stamped edges and turquoise; not marked, cuff width 0.5 in., interior circumference 5.5 in. x gap length 1 in., weight 14.6 dwt.; AND a silver cuff, set with a row of turquoise; not marked, cuff width 0.5 in., interior circumference 5.5 in. x gap length 1 in., weight 10.9 dwt.
mid-20th century