Vintage Navajo Thunderbird Totem Silver/Turquoise artist Signed Cuff Bracelet

Vintage Navajo Thunderbird Bracelet Intricate Etching Knot Detail Oval Green Turqouise Center /Thunderbird Signed -spit arrow ..bottom I think is Sterling Silver(which it is ) I cannot read or am familiar with artist in this era(could be Fred Harvey Era) EVC-never cleaned or polished so will leave that to new owner(not my forte ) See pics for they are part of description and feel free to ask for more . Fits my 7" wrist perfect with a tad bit of room