IRAN, Pahlavis. Muhammad Reza Shah, AH 1360-1398 / AD 1941-1979. Medal (Gold, 32 mm, 20.00 g, 12 h), on the 18th Birthday of Crown Prince Reza Pahlavi. Teheran, bank Melli mint, MS 2536 = CE 1977. Crowned conjoined busts of Muhammad Reza Shah, Shahbanu Farah Pahlavi, and Crown Prince Reza Pahlavi to left. Rev. Four-line inscription within wreath; seal of bank above. A few light marks, otherwise, virtually as struck.