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The official currency of Indonesia is Rupiah (sign: Rp; code: IDR) is . Issued and controlled by the Bank of Indonesia, the ISO 4217 currency code for the Indonesian rupiah is IDR. The symbol used on all banknotes and coins are Rp.
The current rupiah consists of coins from 25 rupiah up to 1,000 rupiah, and from banknotes of 1,000 rupiah up to 100,000 rupiah. With US$1 generally worth 9-10,000 rupiah, the largest Indonesian banknote is therefore worth around US$10. 1 rupiah coins (dating from 1971) and 1 sen (from 1965) banknotes officially remain as legal tender for completeness' sake, but will never be seen in current circulation.
Security Features
- The materials of the banknotes basically are long fibres from any kind of wood, or a mix of different types of wood. However, the preferable material is the Abaca fibre, which is naturally plentiful in Indonesia and is believe to increase the durability of the banknotes. The banknotes are made with the process of heating, to create a unique type of pulp.
- The minimum security features for naked eyes are watermarks, electrotypes and security threads with color fibres. In addition to this, extra features may be included, such as holograms, Irisafe, iridescent stripes, clear windows, metameric windows and gold patches. - Watermark and Electrotype are made by controlling the gap of density of the fibres which create certain images for the banknotes. This is done to raise the quality of the notes from the aesthetic view.
- Security threads are put in the middle of the note's materials so horizontal and vertical lines are shown from top to bottom. The threads also can be made with many variations such as the materials, size, color and design.
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