Etched Om Tibetan Naga shell. Size +- 10 x 16. Hand carved Old conch shell beads from Nepal , natural naga conch shell beads from Nepal , also called as chank beads. Ethnic Tibetan naga conch shell beads , Since these are natural old shell beads , some beads are pitted , some beads have weather markings , grooves , natural indentations/lines/cracks /marks on beads.