Shell money most valued by the Native American tribes of the Pacific Coast from Alaska to northwest California was "Dentalium shell", a species of long narrow marine shelled mollusk, a tusk shell or scaphopod. The tusk shell is naturally open at both ends, and can easily be strung on a thread. This shell money was valued by its length rather than the exact number of shells; the "ligua", the highest denomination in their currency, was a length of about 6 inches. Farther south, in central California and southern California, the shell of the olive snail "Olivella biplicata" was used to make beads
Native American jewelry was awarded the NEA's National Heritage Fellowship in 1998. US Senator Ben Nighthorse Campbell (Northern Cheyenne) is an accomplished silversmith. Before European contact and at least 1500 years ago indigenous peoples of the Northeastern Woodlands produced barrel-shaped and discoidal shell beads, as well as perforated small whole shells. The earliest beads are larger when compared to later beads and those of wampum, with hand drilled holes. The use of the more slender iron drills much improved drilling. "Wampum" is a Wampanoag word referring to the white shells of the channeled whelk shell. The term now refers to both those and