Very Large 7x7 Antique Carved Coconut with Geometric Designs carved into it.  Probably an island canteen with a carved plug top.  From the South Pacific and bought at an Estate Sale on Nantucket in the late 1980's.  Probably brought back from a South Pacific trip in 50's or 60's? Top where plug goes has a small crack (see pictures) but still functional. Great for any collector of South Pacific antiques.