Found trade beads are giving good information about the commercial contacts between different countries.

Dutch glass beads, produced since the late 16th century were mainly used for trade in North America, Africa, and Indonesia.
It is known that Henry Hudson bartered Dutch beads when travelling for the VOC in 1609, and, besides other goods, glass beads are discussed to have been paid for the purchase of Manhattan Island in 1626.
They are found in East and West Africa, and on Bali. But also in early North American Iroquois and Susquehannock sites, but also on the Antilles