Old Tuareg Ring, Mali,Toeareg, Touareg, deals

A high grade silver, nice patinated, Tuareg, Touareg, Toeareg ring,mid 20th century, north of Mali.
This big, heavy, Tuareg silver ring is inset with dark red glass.
I bought it in the 90's Mali.


It has a weight of 17,7 gram.
Ring size: 12 (American calibration)
Ring size : 28 (French calibration)
Circumference in mm : 68
Diameter in mm : 21,6
The height of the deals ring is 20mm
The width of the ring is 8,7 mm
The thickness of the ring is 2,5 mm