Vintage deals Native American silver and leather bolo tie

Vintage Native American bolo tie: black plaited leather lariat with substantial silver tips (aiguillettes) measuring 50mm/2" long, The decorative clasp is a solid disc with Hopi overlay style decoration in the form of a swooping eagle. The round disc has a back clasp to hold the leather lariat in place. Measurers: 46mm/ approx 1.75" and is stamped sterling and a 'strar' mark - for the maker? Although purchased in the 1990s this piece has not been worn deals and the original leather is in excellent condition.