100 Rials Mohammad Rezā Pahlavī

Harrison & Sons held the Bank Markazi contract through much of the Pahlavi period, printing successive signature varieties as governors changed — P#80 runs across two fiscal years and encompasses at least three known signature combinations, making date-letter attribution the primary challenge for series specialists. The watermark used here is integral to the paper, not applied post-print, which is worth noting given how frequently trimmed or washed examples circulate in this series.