IRAN. 2500th Anniversary of Persian Monarchy Gold Medal, SH 1350 (1971). Tehran Mint. NGC MS-64.37.81 grams. Obverse: Head of Mohammad Reza Pahlavi facing left; Reverse: Ancient cylinder seal within circle with ornamented border. A large gold issuance, struck for the 2,500th Anniversary of the Persian Monarchy. Dark honey golden colored with a notably high relief obverse bust.