20 Rials Mohammad Rezā Pahlavī

Bank Melli Iran had relied on British printing contracts since the 1930s, and Harrison & Sons continued producing Iranian notes through the wartime years even as Iran was under joint Anglo-Soviet occupation — a period that lasted from 1941 until 1946. The 1944 series came at a moment of acute monetary instability, when Allied military expenditure inside Iran was generating serious inflationary pressure and the central government had limited means to control it.

Harrison's facility at High Wycombe handled several colonial and allied currency contracts concurrently during this period, and the Iranian commissions were part of a broader wartime printing relationship with the British government's sphere of influence.