透明感のある青ガラスで作られた半球状のトンボ玉で、美しい銀化も見られます、また光を通しての透明感もあります、細い穴があり金属製の金具が付いていますが、これは後世のものかもしれません。半球状なのでゲームピースの可能性もあります。どちらにしても珍しい形状の美しい玉です。送料当方負担のレターパックライトにてお送りします。

Antique Chinese translucent bubbly blue“Peking Glass” beads.9-10mm – Earthly Adornments

Ancient Excavated Islamic and Roman Period Blue Glass Evil Eye Beads – Venerable Bead Company

File:Blue Glass Bead of Unknown Date (FindID 561972).jpg - Wikimedia Commons

Two Blue Glass Beads, Antique Roman Beads - Etsy

A Short Strand of Ancient Excavated Blue Glass Evil Eye Beads CRBM 10296

Between Egypt, Mesopotamia and Scandinavia: Late Bronze Age glass beads found in Denmark - ScienceDirect

Ancient Egyptian blue glass beads reached Scandinavia

Glass Beads of 7th to 17th-Century CE Sub-Saharan Africa | Oxford Research Encyclopedia of Anthropology

Miscellanea Orientalia et Indo-Iranica Vol I-II. Essays on the Earlier Cultural History of the Ancient Near- and Middle East - GRIN | Grin

Glass Beads of 7th to 17th-Century CE Sub-Saharan Africa | Oxford Research Encyclopedia of Anthropology

Glass Beads of 7th to 17th-Century CE Sub-Saharan Africa | Oxford Research Encyclopedia of Anthropology

Glass Blue Middle Eastern Antiques for sale | eBay

PDF) Early medieval large glass beads from Poland: utilitarian and social functions

PDF) Early medieval large glass beads from Poland | Aleksandra Pankiewicz and Sylwia Siemianowska - Academia.edu