My first turquoise (assume turquoise?) piece, from the mid 70s. I love the unusual stone, wish the hallmark wasn’t obscured by the shank! There had been a small round piece at the top, between the leaves, but it broke years ago. I am still drawn to different stones and traditional silverwork 
As always, love learning if any input!
Just wanted to say that’s a gorgeous first piece. I can see why you fell in love with it!
That’s likely the entire hallmark. The art-amerindien.com site shows the following “S” hallmarks as examples. Someone with more knowledge may be of more help.
Interesting stone. And for some reason your ring reminds me of a bug 
So you might enjoy this old thread …The piece that started it all?
Thanks! That thread didn’t turn up when I looked, sorry to duplicate!
No worries, you are also asking for any info about your ring 
