Bank Mandiri Museum is an economics museum located in the old banking district of Jakarta Old Town in northern Jakarta, Indonesia. The museum is housed in the former headquarters of the Netherlands Trading Society, one of the primary ancestor of ABN AMRO. The museum are closed on Mondays and public holidays. It is located next to Museum Bank Indonesia.HistoryThe buildingThe building stands on a 10,039 square meters land. This land was previously owned by the firm Carl Schlieper, who built a large office building and a warehouse. In 1913, the land was purchased by the Factorij. At midnight of December 17, 1920, the Schlieper building caught fire. The damaged building was destroyed later to make way for a new building which will become the Netherlands Trading Society (Dutch Nederlandsche Handel-Maatschappij or NHM), also known as "Factorij".The new building was designed by J.J.J de Bruyn, A.P. Smits and C. van de Linde. Construction started in 1929 and was opened on January 14, 1933 by C.J Karel Van Aalst, the 10th President of NHM. The architecture follows the philosophy of the Dutch Nieuwe Zakelijkheid, a branch of modern architecture close to Art Deco.