2 Rials - Mohammad Rezā Pahlavī

This issue spans the chaotic stretch beginning with the Anglo-Soviet invasion of September 1941, which forced Reza Shah's abdication in favor of his son Mohammad Reza. The occupying powers — Britain controlling the south, the Soviet Union the north — extracted enormous resources from Iran throughout the war, triggering inflation that steadily eroded public confidence in the currency. Silver fractionals like this one circulated hard.

The .600 fineness was a wartime reduction from earlier, purer standards, a quiet acknowledgment that the Iranian treasury could not sustain pre-war silver content.