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20 Rials
| Issuer | Oman |
| Year | 1977 |
| Type | Standard banknote |
| Value | 20 Rials |
| Currency | Rial (1972-date) |
| Composition | Paper |
| Size | |
| Shape | Rectangular |
| Printer | Bradbury Wilkinson and Company, United Kingdom (1856-1990) |
| No. printed | |
| Designer(s) | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | P#20 |
| Obverse description | Sultan Qaboos bin Sa`id at right |
| Reverse description | Central Bank at left centre |
| Signature(s) | |
| Protection type | Watermark |
| Protection description | Arms |
| Obverse lettering | |
| Reverse lettering | CENTRAL BANK OF OMAN
TWENTY RIALS |
| Variants | |
| Catalog ID | 3305990220 |
| Comments | |
