Abstract: A translation of a letter from the Imaum [Imam] of Muscat [Sa’īd bin Sultān Āl Bū Sa’īd] to Major-General William Grant Keir, Commander of the 1819 expedition to the Persian Gulf, undated. The letter concerns the Imam’s peace negotiations with Syed Abdul Jaleel [‘Abd al-Jalīl bin Yāsīn al-Ṭabāṭabā’ī], Ambassador of the Atoobees [‘Utūb] of Bharein [Bahrain], and forwards a copy of the proposed peace terms [IOR/L/PS/9/69/20].The letter was enclosed in the letter of Henry Willock, HM Chargé d’Affaires in Persia [Iran], to the Secret Committee of the Court of Directors of the East India Company, dated 17 April 1820 [IOR/L/PS/9/69/14].Physical description: Condition: the letter was perforated in an attempt to stop the spread of disease.