Abstract: A translation of a rukum [letter] from Abbas Mirza [‘Abbās Mīrzā], Crown Prince of Persia [Iran], to Henry Willock, HM Chargé d’Affaires in Persia, dated 7 Shahban [Sha’bān] 1237/29 April 1822.In response to a firman [edict] from the Shah (IOR/L/PS/9/69/90) the letter protests Willock’s planned departure from Tabreez [Tabrīz] to Britain to discuss arrears in subsidy payments to Persia, instead asking him to remain in order to negotiate frontier issues with Turkey [Ottoman Empire].The letter was enclosed in Willock’s letter to the Secret Committee of the Court of Directors of the East India Company dated 4 May 1822 (IOR/L/PS/9/69/88).Physical description: 1 item (4 folios)