British currency in the Middle East already risen in value against the pound sterling as a result of sterling's devaluation in 1967, and so the new Omani rial was not equal in value to the dinars in the nearby territories. The currency units that are used in Israel, Jordan, Iraq, Kuwait, Bahrain, Oman, and the Yemen are all descended from the pound sterling unit, while the currency units that are used in Saudi Arabia, Qatar, and the United Arab Emirates are all descended from the Maria Theresa Thaler. This largely explains the factor of ten difference in value on average between Bahrain, Kuwait and Oman on
Japanese government-issued currency in the Dutch East Indies that, as of 11 March 1942, the only valid currency in the region were military banknotes and existing colonial gulden. Soon, however, they had begun replacing the pre-war currency at par. They soon required that all extant Dutch currency be exchanged for the occupation issue. This policy, however, was not implemented very strictly, and pre-war currency was widely hoarded, even in the internment camps. In March 1943, the Japanese occupation government ceased issuing military notes; at the time, military currency to the value of 353 million gulden was in circulation. Printing operations were moved to Kolff in Batavia (now Jakarta),