Economy of Indonesia the Republic of Indonesia), a currency issued by the Republican Government which was the predecessor of Rupiah. Despite so, currency issued during the Japanese occupation and by Dutch authorities were still in circulation, and simplicity of the ORI made its counterfeiting straightforward, worsening matters. Once the nation's independence has been recognised by the Netherlands on December 1949, the next 10 years saw the devaluation of Dutch banknotes into half their value ("Gunting Sjafruddin"), dissolution of the United States of Indonesia in 1950, and during the liberal democracy period the nationalization of "De Javasche Bank" into modern Bank Indonesia and the
National costume of Indonesia Muslim men) throughout the country. The "peci" is usually worn with "batik" shirt or western-style suits by men in Indonesia for those attending formal occasions. It is also commonly worn during Islamic religious occasions. Senior citizen Muslim men across Indonesia — usually in Jakarta who identify themselves as native Betawi people, also use this "peci" on an everyday basis. It is also a traditional head-dress of the Betawi people and also other ethnic groups, especially in the western parts of Indonesia which are mainly Muslims. Other than national costumes, each of the provinces of Indonesia — more precisely every ethnic