Large assortment Tibetan Ring Black Onyx Brass Metal Repousse Jewelry Adjustable

1.5x2.5 inches top diameter.  Not heavy. 
Material: unknown metal content, onyx stone and coral.  There may be small scratches on stone.

Beautiful and unique handmade Tibetan jewelry made in Nepal and Tibet by Tibetan refugees.
Repoussé refer to a metalworking technique in which a malleable metal is shaped by hammering from the reverse side to create a design in low relief.