Natural Material Snake Missing Head Carved Antique Bracelet African HELP ?  Victorian coiled snake/serpent bracelet/bangle  Carved.  I can't put my finger on what material this is made from.....Help?   From my grandmother's personal collection. Missing the head.  Chipped  4 1/8 by 4".  Really cool piece.  I am guessing African ?

From my grandmother's personal collection, Cheryl Leaf who owned Cheryl Leaf Antiques & Gifts in Bellingham Washington from 1950 to 2002.

Shelf:  #uu