Jamaican Blue Mountain "Mavis Bank Estate" green coffee bean blend. Jamaican Blue Mountain Coffee is known throughout the world as one of the rarest and most expensive of all coffees. It is the rich taste and distinct aroma that makes it truly unique. Only fifteen percent of the coffee grown in Jamaica is authentic Blue Mountain Coffee, and the coffee from the Mavis Bank Estate is considered to be the "cream of the crop" of Blue Mountain Coffee. These are unroasted coffee beans