Native turquoise statement sterling silver singed ring

Very vintage is this unbelievable ring it does pack a punch. It has a good weight to it. It's made extremely extremely well and it does have a signature. If you know your vintage signatures, you might want to decipher this. Beautifully made a tad over 1.5 inches. It does have dimension to it. Beautiful detail on feathers and setting. And beautiful older condition please see pictures.  Size 8.25