Four African glass Trade bead necklaces

Four African glass Trade bead necklaces
including Ghana, with yellow and black bi-cone beads with coloured stripes, 35cm long, Ghana, with yellow and black chevrons, 37cm long, Cameroon, with a single chevron, 51.5cm long, and graduated discs in red, blue and black with coloured lines, 37.5cm long.

Provenance
Ghana chevrons - Dr M Heide, 1987.
Cameroon - Pierre Robin, Paris, 1980.
Gerty and Klaus Anschel Collection.

cf. Lois Sherr Dubin, The History of Beads, 1987, p.108, pl.93.