12 bohemian Fulani 'conus shell' pressed glass African trade beads 19th century/ early 20th century

Red, Green and Black (4 of each) - I have only photographed 3 beads - There are 12 in this offering.
See page 35 of ‘Beads - A history and collector’s guide’ by Stefany Tomalin, Amberley Publishing, 2016

Bead size: 42mm x 26mm x 8mm thick
Threading hole diameter: 1.5mm
Total weight: 135gm

Please examine photographs as these form part of the description. e23/70