Native american carved shell sterl silver bracelet

2” wide 5-1/2” inside narrowest 1-3/8” gap. Total 5-7/8” but more room in center. Heavy at 73.13g. uniquely gorgeous, hand carved shell w more than one color revealed so lower layer looks like reflective mother of pearl (abalone) & the top layer red abalone shaped rather leaf-like or arrowhead-like, beautiful, sides depict hand cut leaves & base consists of two rounded heavy wires. entirely hand made creation so collectible. excellent vintage wearable condition unsigned artist but signd Sterling