Antique Snuff Bottle

This antique Asian snuff bottle mysteriously showed up in my china cabinet !!  I don't know the history of the bottle, but, it is in perfect condition.  My brother had been here from Iowa for a visit.  A couple of weeks after he left, I was looking at the collection of things I have in that cabinet, saw this and wondered "what in the world is that" ?? Anyway, I gave him a call to thank him as I knew that was where it came from.  His response was "you just now seeing it"?  Donald is one to surprise a person every so often with his generosity.