The Chumash Indians, hunter-gatherers centered on the south-central coast of Santa Barbara, were using highly worked shells as currency as early as 2,000 years ago, about 1,000 years earlier than archaeologists thought. Chumash cupped beads from purple dwarf olive sea snails (Olivella biplicata). Image credit: Lynn Gamble / SBMNH Collection. The Chumash Indians produced shell beads for thousands of years in the Santa Barbara Channel region, with special...
