Identifying the maker of a Turquoise braclet

I really love Turquoise but unfortunately not an expert when it comes to its identification.

I have a bracelet form the early ‘70’s (?) which is signed by “S. Dickens” and “sterling”…..i am extremely interested in the artist’s approach; as I am aware that by the early seventies a number of Native American Turquoise jewellers began to use cheap/fake turquoise. I am so so desperate to find out about “S. Dickens”’s work and approach!!!

And google really didn’t help; I’ve consulted a vintage jewellery shop in the past about a different piece but they were completely clueless about turquoise.

Any enthusiastic turquoise admirers/collectors have any advice? I would greatly appreciate your replies!!!