Old coins (one riyal) (half riyal) (quarter riyal) (ten halalas) (five halalas) from the era of King Khalid bin Abdulaziz Al Saud, for the year 1400 AH. Selling individually or as a complete set. My location is in Dhahran, South Danah. Price details: One riyal coin for 20 riyals. Half riyal coin for 13 riyals. The rest of the coins are 10 riyals each.