SAWASZKIEWICZ Leopold Leon. Le génie de l'Orient commenté par ses monuments monétaires: études historiques, numismatiques, politiques et critiques, sur le cabinet musulman de Ignace Pietraszewski (contenant 2683 médailles), accompagnées de plusieurs planches, Brussels 1846. All in all, this is one of the first catalogs of Oriental coins. Ignacy Pietraszewski was the father of European numismatics of the medieval Orient. Descriptive text on 220 pp. Plates 11 in lithography, with 105 images of coins. Hardcover, marbled, spine with gilt; dimensions 120x170 mm. Leopold Leon Sawaszkiewicz, owner of Ignacy Pietraszewski (1796-1869), Polish orientalist. Born in Warmia, Vilnius student of Eastern languages. In 1832 he went to Constantinople. Professor of Oriental studies at the universities of St. Petersburg and Berlin. He amassed a unique collection of Eastern coins of 2683 pieces.