Rare Antique 3 layers Chevron "speo" Venetian Drawn Glass African Trade Bead SB-27460

Rare OLD 3 layer chevron "SPEO" Venetian drawn glass trade bead (Picard, Volume VII, p.29, 137).

The bead is in excellent condition.

The size of the bead is 17 mm X 18 mm.

Venetian chevron glass trade beads used in the African trade late 1800's early 1900's.