Engel, Arthur, and Raymond Serrure. TRAITÉ DE NUMISMATIQUE MODERNE ET CONTEMPORAINE. Paris: Ernest Leroux, 1897 and 1899. Two volumes, complete, bound in one. Thick 8vo, somewhat later russet cloth, gilt; original printed card covers bound in at back. viii, 611, (1) + (4), (613)–791 pages; 441 text illustrations of coins. Binding rubbed and dusty; very good. Among the best general historical works ever published on modern numismatics, filled with information not to be found elsewhere. The scarce original edition. Clain-Stefanelli 7901*. Grierson 101. Ex American Numismatic Society Library, with their bookplate.