portrait of green terraces of jabal al-akhda from oman 100 rials 2020 banknote

omani oman flag money rial riyal background business paper finance oil investment bank financial currency economy savings banknote banknotes muscat sultan dagger council building crossed swords gulf khanjar khasab castle note persian qaboos bin wadi alayn tombs baisa 100 central mountain middle east gcc exchange legal tender trade brown green monetary culture portrait terraces jabal al-akhda rials 2020 banknote