STC468900 Hagia Sofia (w/c on paper) by Turner, Joseph Mallord William (1775-1851); Private Collection; (add.info.: The Hagia Sophia or Sancta Sophia in Istanbul, Turkey, was the Greek Patriarchal cathedral of Constantinople from 360 to 1453, from which time it was used as a mosque until being secularised in 1935;); The Stapleton Collection; English, out of copyright.