Minted on the occasion of the Pahlavi's golden jubilee,1976.

With the profiles of Shah Reza Pahlavi & Shah Mohammad Reza Pahlavi on one side and the old building and emblem of the national bank of Iran on the other side. Script: "Panjaahomin saal-e shahanshahi-e Pahlavi" (The 50th year of Pahlavi's reign). Date: 2535 (Imperial year)/ 1976.

This coin is unique for its shape.