Classic Square Blue Turquoise Stone Vintage Ring Old Pawn Size 7 1/2 JR 262

Simple classic square blue turquoise with good matrix in a cast silver silver ring with interesting design on the sides.
Good old condition, great patina.
Tested silver. Unmarked like most of the oldies. Original size never altered.
The ring is size 7 1/2 and weighs 6 grams. C 1970s
Inventory #JR 262