This was formerly the NV De Javasche Bank (DJB) building, a Dutch private bank that acted as the central bank for the Netherlands Indies, built in the neo-classic style in 1828. The DJB was nationalised in 1953 to become Bank of Indonesia (BI).
The Bank of Indonesia building was transformed into a museum in 2006 and it is a place suitable both for adults and children, providing an overview of Indonesia’s modern history. It’s displays are equipped with electronic interactive media showcasing the economic development of the world’s largest archipelago from independence to the current day.
The museum’s numismatic collection of coins and paper money is tremendous, dating back to the 16th century. It also has a large collection of modern paper-money (specimens) contributed by central banks from the world. So don’t be surprised to find some currency of your country that you have never seen before.