Tibetan Shell and Glass Bead Necklace with Skull Motif

Tibetan Shell and Glass Bead Necklace with Skull Motif, Circa 1900 - 1920. 4 intricately hand carved bone human skull beads; 13 oval sterling silver Tibetan hand-stamped double-sided human skull smiling beads; 6 cylindrical 19th Century Venetian Glass Trade beads; 13 cylindrical sterling silver beads; 6 oversized hand-carved bone tubular hair-pipe beads; 2 conical sterling silver beads that terminate the necklace at both ends into a white mixed metal clasp. {Approximate dimensions: 14 1/4 inches long. Condition: Light patina.