This is an excellent Stereo card of Smyrna and its harbor in Turkey. It is from aKeystone “Tour of the World” 600 card set (the cards are numbered 1 to 1200) from the 1930’s. The card is titled “Izmir (Smyrna), the Chief City of Asiatic Turkey, and Its Harbor” and is numbered 700 with a Keystone negative number of V33986.