Banksy Instagram Letter from Zehra Doğan. 27 July 2018 9 October, 20189 October, 2018by banksyunofficial Banksy published a letter from the Turkish artist Zehra Doğan, imprisoned since more than a year ago. Photo: Banksy’s Instagram In his own words: “I got a letter from Zehra Doğan in Diyarbakır Prison, Turkey”