Rare currencies for sale by auction!! Twenty Riyals of King Fahd on the occasion of the centenary of the unification of Saudi Arabia, a very rare currency that is difficult to find currently. And Saudi metal currencies from the Kings of Saudi Arabia, King Abdullah and King Fahd, may God protect them. The oldest is from the year 1408 AH, approximately 40 years old. As for Omani money, it is approximately more than 35 years old. Very rare and almost disappeared from Oman due to continuous currency changes. By auction!!