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 significant, and it is the two-row wampum that is understood to represent this conception most powerfully, with two rows of purple wampum beads against a background of white beads, each row representing a parallel river, down which the respective vessels of each people travel, independently but in mutual support of each other. The question of what materials — wampum or otherwise — were exchanged at the initial negotiations of the treaty cannot be answered definitively. While it is possible that a two-row wampum belt featured in the initial treaty negotiations, there is no documentary evidence to support this claim. There