Black Amoeba Africa Trade BeadsThe picture is an example. Yours will be similar. The term "Trade Beads" typically applies to beads made predominately in Venice, Bohemia, and other European countries from the late 1400s through to the early 1900s and traded in Africa and the Americas. Many of these beads have been attributed to being made in Germany, France, and the Netherlands as well. Bead Size: 10 14 mm diameter. See the picture with the penny for a size comparison. Strand