Ancient amazonite beads of various sizes, some are pendant shapes and some are more rounded. These beads have been bow-drilled.
Vintage from before 1700.
These were worn by people of a very high status in countries now known as Nigeria, Mali and Mauritania.
The smaller stones are about ¾" x ½, (20 x 12mm) and the larger ones are up to 2" in length (50mm).