It would be nice if they could use the gold for something beneficial to the people of the area (improve roads or schools or something), but its naive of me to think they can easily sell this stuff. Maybe loan the treasures to museums for a fee?
The article did mention that a lot of the historic pieces are probably going to end up in museums, depending on the outcome of the discussion about who should control the riches. It would not surprise me if a small amount of it is sold at auction, either to museums or private collectors. Renting them out or loaning them to museums would be a much better outcome, though - I hate to hear about works of art that are held in private collections, and not even sporadically publicly viewable.
Even if the court decides that the control of the wealth should go to the government, there is going to be huge contention since the donations were religious in nature, and has such strong connotation.