Letter Signed, as Ottoman Minister in Washington, addressed “Cher Monsieur”, evidently taking in hand the arrangements for his correspondent’s visit to Constantinople. In French. 3 pp. 7 x 4 inches, folds, lightly toned, some minor blemishes. Embossed crest with Greek inscription. Washington, 25 January 1878. Gregory Aristarchis (d.1915), also known as Aristarchi Bey, was an Ottoman diplomat of Greek ethnicity, author of a corpus of Ottoman legislation. He served as Ottoman Minister in Washington from 1873 to 1883 with Alexandros Mavrogenis. After 1883 he lived in Paris where he worked as advisor to Alfred Nobel. After the fall of Abdul Hamid II he served as an Ottoman envoy to the Netherlands, where he died. He composed one of the first collections of the Ottoman Law in 7 volumes in French language.