The Saudi Arabian Monetary Agency issued Saudi Riyal banknotes in 7 different denominations, including this 50 Saudi Riyals banknote (2016 series). They are part of the current Saudi-Arabian Riyal banknotes series. The Saudi Arabian Monetary Agency started issuing these 50 Saudi Riyal banknotes in 2016. They are currently still in circulation.
The green colored 50 Saudi Riyals banknote has the King’s portrait and two mosques, both located in Jerusalem: The Al-Sakhra Dome Mosque and the Al-Aqsa Mosque.