Wampum the spoken language is. Records and treaties are kept in this manner, and individuals could write letters to one another in this way. Wampum belts were used as a memory aid in oral tradition, and were sometimes used as badges of office or as ceremonial devices in Indian culture such as the Iroquois. The 1820 New Monthly Magazine reports on a speech given by chief Tecumseh in which he vehemently gesticulated to a belt, pointing out treaties made 20 years earlier and battles fought since then. The National Museum of the American Indian repatriated eleven wampum belts to "Iroquois" chiefs
Two Row Wampum Treaty communication across cultural boundaries". Early evidence for wampum in the region indicates that the dominant style was a relatively simple, monochrome design, often with discoidal beads strung together (rather than tubular beads woven together). Historians debate whether or not the technology required to construct the sophisticated two-row style wampum belt (including, most importantly, tubular purple beads) was available to communities in the region prior to 1613; however, Parmenter indicates that archeological evidence does not rule out the possibility that two-row wampum belts may have featured in the initial treaty negotiations between the Dutch and the Haudenosaunee. The significance of the