Capital, decorated with masques. From Saray Burnu, late 5th-early 6th century AD

From the Wikipedia: Sarayburnu (Turkish: Sarayburnu, meaning Palace Point; known in English as the Seraglio Point) is a promontory separating the Golden Horn and the Sea of Marmara in Istanbul, Turkey. The area is where the renowned Topkapı Palace and Gülhane Park stand. Sarayburnu is included in the historic areas of Istanbul, added to the UNESCO World Heritage List in 1985.