These coin pearls have are a larger size 15-16mm. These are a very nice value! Great size and color. Nice nacra with a few lumps but the luster is quite nice for this size coin pearl bead You will receive one 16" strand of coin pearls. Freshwater coin pearl beads are created when a small flat disc shaped shell, instead of a round bead, is inserted into the oyster or more commonly these days, mussel. Most of these pearls are farmed in rivers, lakes or streams. The result is a a fabulous flat disc shape pearl. Our freshwater coin pearl beads are picked by their luster and size.