Abstract: A translation of a note from the Sudr Aazim [Sadr-i A’zam, Prime Minister] of Persia [Hājī Muhammad Husayn Khān Isfahānī] to Henry Willock, HM Chargé d’Affaires in Persia [Iran], undated. The note concerns British policy in the Gulf, advising Willock not to press for concessions from Persia.The letter was enclosed in Willock’s letter to the Secret Committee of the Court of Directors of the East India Company dated 20 May 1820 [IOR/L/PS/9/69/21].Physical description: Condition: the letter was perforated in an attempt to stop the spread of disease.