Xi3 Mammoth Fossil IvoryThe Fossil Mammoth Ivory Cigar Cutter. Made with 10,000 year old mammoth's tusk, this rare and remarkable tool is available for your enjoyment in an unlimited run. Each piece is unique, individually numbered and enclosed in an elegant gift box with certificate of authenticity. Fossil ivory offers an unusual mosaic of color derived from the surrounding soil, ice or plant life to which it was formed. No two are alike. Model 303MM;