Authentic old antique Venetian 7-Layer Chevron glass trade bead. The chevron or star bead is from the family of drawn beads, called "rosetta" in Italian. It was used in African trade in the late 1700's to early 1800's These beads are in absolutely good condition. This bead is beautiful with 12 point star mold, you will love it with your collections. great bead great price.measurement: 27x19 mm diameter size.