Abstract: A copy of a letter from Henry Willock, HM Chargé d’Affaires in Persia [Iran], to Persian Ministers [Haji Mohammad Husayn Khān Isfahānī, Sadr-e ‘Azam or Prime Minister, and Mīrzā Abdul Wahāb Nishāt Isfahānī, Mu’tamid al-Dawla or Foreign Minister], sent from Tehran and dated 12 December 1820.In response to the ministers’ note received on 9 December (IOR/L/PS/9/47), Willock defends British actions and continuing military presence in the Gulf following the 1819 expedition against ‘piracy’.The letter was enclosed in Willock’s letter to the Secret Committee of the Court of Directors of the East India Company dated 26 December 1820 (IOR/L/PS/9/69/46).Physical description: 1 item (6 folios)