Seller: venetianbeads.perleavenezia (62) 100%, Location: Venezia, Ships to: Worldwide, Item: 281966292606 Condition: Excellent condition., Material: Glass , Provenance: Murano-Venezia-Italia, Details: Antique Murano glass beads. These beads could be dated to the end of 19th century or the early 20th century. They were manufactured in Murano expressly for the trade with Africa, see "Collectible Beads", by Robert K. Liu, or "The History of Beads" by Lois Sherr Dubin. Particularly see the sixth and seventh volumes dedicated to the "Millefiori Beads from Western African Trade" and to the "Chevron and Nueva Cadiz Beads" by John and Ruth Picard, of Picard African Imports. (Take a look also at the other five because this string include a lot of different kinds of beads) The "trade" (started in the late 1400s) best period was from the mid 1800s until 1939 (start of WWII). During almost a century many millions of glass beads were produced in Europe and traded in Africa.In the late 1960s they began to come back to Europe (and mostly to the States, where it developed the habit to give them a name, like "french ambassador", "end of the day", "Lewis and Clarke", and many more) The beads are in good condition, they have wearing signs not commisurate to the age, please look carefully to our pics. This bead could be seen in a sample card of Company "J.F. Sick and Co", that was one of the largest bead brokers and importers in the first half of 20th century.See "The Bead goes on. The Sample Card Collection with Trade Beads from the Company J. F. Sick and Co in the Tropenmuseum, Amsterdam", by Koos van Brakel, KIT Publishers - Amsterdam, 2006. It contains a CD with the pics of all the sample cards of the collection and in the card (3407-1a) 151 you could find the central bead of my strand, no. 15645, and no.15640, the others. The size of the beads is: a length of 18mm., a width of 14mm. and a thickness of 8mm.