IRAN. Persian Visit to London Bronze Medal, 1873. Nasir al-Din Shah. PCGS SPECIMEN-63 Gold Shield. BHM-2951; Eimer-1623. Diameter: 76mm. By A. B. Wyon. City of London series. Mintage: 400. Obverse: NASSER-ED-DEEN, bust of the shah facing slightly left, wearing Persian fez; Reverse: Londinia standing facing, head left, holding scroll and extending arms over shields of Persia and London; view of St. Pauls Cathedral and the Tower of London in background. Struck in exceptional relief with rich brown coloration that holds some yellow and blue iridescence. Scattered handling determines the grade.