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
Prehistoric beads in the Philippines land mass. Shell beads in the Philippines are generally either whole or cut. Various sites have been found to contain shell beads, including Sucgang Barrio in Bohol; Sibale Island, near Surigao; Suluan island, south of Samar; Lagen Island in Palawan; and Camotes Islands. Various studies have been conducted on these shell beads. Studies on the method of cutting, use, location and whether these were taken whole or broken apart were used as characteristics to define these shell beads. It is also of note that shell beads are of different characteristics throughout the archipelago of the Philippines. Research shows that most