THERE are already plenty of Indonesian art collectors, but only a handful have very 'specific' interests. E.Z. Halim, 62, is among the few. Several months ago, he made his collection available to the public in a building meant to one day function as a proper fine arts museum. As of now, the museum is only open to friends and those with an appointment, who must be accompanied by the owner during their tour.

The specialized interest is apparent when