Κωνσταντινούπολη/ Constantinople/ Istanbul 1880- 1890. Three (3) albumen photographs by Sebah & Joaillier (2) and an unknown photographer (1), views of Hagia Sophia (Αγία Σοφία), Bosporus & the Leanders Tower and view of Galata. Titles andphotographers signatures in negative. Dim. from 26,5x20 cm to 27,5x21,5 cm.