500 Dinar - Mohammad Ali Qajar

Mohammad Ali Shah came to power in January 1907 and almost immediately moved to dismantle the constitutional government his father Mozaffar ad-Din Shah had been pressured into accepting. By June 1908 — the same year this piece was struck — he directed Cossack Brigade forces under Russian colonel Vladimir Liakhov to bombard the Majles building in Tehran, suspending the constitution entirely. The timing of this issue places it squarely within that coup.

The KM#Pn28 designation marks this as a pattern rather than a circulation strike, suggesting it may never have reached general use before the constitutional revolution forced Mohammad Ali into exile in Russia in 1909.