Sweet prehistoric woolly mammoth ivory and rhodium plated sterling silver Heart Earrings. Mammoth ivory is found in the cold northern region of Alaska, Canada, Russia, and Siberia, and may range in age from 10,000 to 200,000 years. Colors vary in neutral shades of cream, tan, and brown. Prehistoric woolly mammoth ivory is the traditional and eco conscious 14th wedding anniversary gift! Designed by Courtney Tripp