WORLD BANKNOTE LITERATURE, an assortment, including 'Latvian Banknotes 1919-1940 + 1992-2013', by Lee Gordon, Buffalo Grove, 2017, 274 pp.; 'Polskie Papiery Wartosciowe', by Leszek Kalkowski and Leslaw Andrzej Paga, Warsaw, 1994, 200 pp.; 'Sveriges Sedlar', volumes I and III, by A.Platbarzdis, Lund, 1972, 149 pp., and 283 pp. Fine. (4)