The countermark "65" denotes the Hijri year 1365, applied to earlier coinage as Saudi Arabia worked to standardize its circulating currency across territories that had only recently been consolidated under Ibn Saud. Rather than strike entirely new coinage, the Saudi monetary authorities periodically restruck or countermarked existing pieces — a pragmatic solution for a state still building its minting infrastructure. The practice was common through the 1940s and reflects the ad hoc monetary administration of a kingdom less than two decades old at the time of issue.
The countermark "65" denotes the Hijri year 1365, applied to earlier coinage as Saudi Arabia worked to standardize its circulating currency across territories that had only recently been consolidated under Ibn Saud. Rather than strike entirely new coinage, the Saudi monetary authorities periodically restruck or countermarked existing pieces — a pragmatic solution for a state still building its minting infrastructure. The practice was common through the 1940s and reflects the ad hoc monetary administration of a kingdom less than two decades old at the time of issue.