Turquoise hexagon beads

These are a vintage German glass beads made between 1919 and 1938. The pentagon shape is uneven. Not every face is the same size as the other. The turquoise color is predominate, and each bead has some white highlights. The beads are 12 mm long and 10 mm at the widest point, but there are many places where they are skinnier. Each strand has about 10 beads.