カタログ
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| 表面の銘文 | ログイン して詳細を見る |
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| 偽造防止技術 | Security thread, Colour-shifting ink, Watermark |
| 偽造防止の説明 | Vertical windowed security thread with colour-shifting effect running through the centre-right of the note; denomination numeral '20' in optically variable ink on the obverse; electrotype watermark of the Central Bank emblem visible when held to light. |
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Oman's switch to hybrid polymer-paper substrate for this denomination was a deliberate hedging strategy — the Central Bank had trialled full polymer on lower values but retained the familiar tactile quality of cotton-fibre stock for higher denominations, with hybrid offering a workable compromise on durability without fully abandoning the traditional feel that Omani users associate with prestige notes.
The TBB#243 reference places this within the 2020 commemorative refresh cycle, though it circulates as a standard issue.