Moroccan Jewelry, antique very worn Berber fine shops silver convex bangle, 2 1/2 inches diameter

A lovely and mysterious piece, so worn down that the design is barely visible, but it seems to be some sort of very rough design featuring either roses or sunrises. Made under primitive conditions, and really old and ethnic in look.
Size- 2 1/2 inches inner diameter.
Weight-30.7 grams. shops