Khalid ibn Abdul-Aziz was the fifth king of Saudi Arabia, who ruled from 1975 to 1982. His reign fell during one of the most significant periods in the country's history, when Saudi Arabia experienced a significant economic boom thanks to oil revenues. King Khalid came to power in 1975 after the death of his half-brother, King Faisal. During his reign, he managed to maintain the country's stability while also facing the challenges of rapid economic growth. In the 1970s, oil prices skyrocketed and Saudi Arabia, as one of the world's largest oil exporters, gained huge revenues. Under King Khalid, the country spent significant sums on infrastructure development, education and healthcare. In addition, many large-scale development projects were launched with the aim of modernizing the country. Although Saudi Arabia underwent significant changes under King Khalid, the king still adhered to traditional values and Islam. During his reign, the country remained an absolute monarchy, and religious leaders had considerable influence in social life. King Khalid died unexpectedly in 1982. His death was caused by a heart attack. He was succeeded by Fahd ibn Abdul-Aziz.

During the reign of King Khalid ibn Abdul-Aziz, from 1975 to 1982, Saudi Arabia issued the following coins: 1 halala, 5 halala, 10 halala, 25 halala 1 riyal. Each of the coins depicted the portrait of the king on the obverse and the reverse. coat of arms of saudi arabia. The coins were made of a copper-nickel alloy, except for the 1 riyal, which was made of silver. In the 1970s, Saudi Arabia's economy developed rapidly due to rising oil prices. This economic growth was reflected in the increase in the minting of coins. One of the most significant changes introduced during the reign of King Khalid ibn Abdul-Aziz was the replacement of the 1 riyal coin with silver. This change is intended to increase the value and prestige of the coin. The Saudi Arabian coins minted in the 1970s are still sought after by collectors. This is due to the fact that they are relatively rare and can be found in good condition.