IRAN, Pahlavis. Muhammad Reza Shah, AH 1320-1358 / AD 1941-1979. Medal (Bronze, 49 mm, 45.00 g, 12 h), commemorating the 50th anniversary of the Pahlavi dynasty, Shahanshahi Calendar 2535 = AD 1976/7. An ancient Achaemenid ship with raised sails and multiple oars above; a modern warship and a helicopter below; above, ‘2500 sāl bar rū-ye daryāhā’ (‘2500 years on the seas’ in Persian); below, ‘2500 years at sea’ (in English). Rev. Pahlavi crown within a circle, surrounded by two concentric circles of orbs; below the crown, ‘panjāhomīn sāl-e shāhanshāhī-ye Pahlavī / 2535’ (‘The 50th anniversary of the Pahlavi dynasty. 2535’ in Persian); above, ‘nīrū-ye daryāʾī-ye shāhanshāhī panjāhomīn sāl-e shāhanshāhī-ye por-eftekhār-e Pahlavī rā jashn mīgīrad’ (‘The Imperial Naval Forces celebrate the 50th anniversary of the glorious Pahlavi dynasty’ in Persian); below, ‘I.I.N. celebrates 50th anniversary of Pahlavi dynasty’ (in English). Rare. In NGC encapsulation, graded MS 67. Virtually as struck.