 The earliest specific mention of Iznik pottery is in the accounts for the Imperial kitchens of the Tokapi palace for 1489–1490 where the purchase of 97 vessels is recorded.The earliest datable objects are blue-and-white border tiles that decorate the mausoleum ("türbe") in Bursa of Şehzade Mahmud, one of the sons of Bayezid II, who died in 1506–1507.The term 'Abraham of Kütahya ware' has been applied to all the early blue-and-white Iznik pottery as the 'Abraham of Kütahya' ewer, dating from 1510, is the only documented vessel.