Vintage Navajo sterling silver ring set with sky blue Sleeping Beauty Mine turquoise. The stone is set in a serrated bezel framed with a very tight twisted wire frame, The shank  is hand wrought with cold chisel splits and there is a stamp decorated bar on each side to strengthen the splits and adorn the stone. Weight: 5.6 grams. It is almost 3/4” long. It is marked sterling and hallmarked, but the mark is partial.