KOPICKI Edmund. Catalog of basic types of coins and banknotes of Poland and lands historically connected with Poland T. IX. Criteria and elements of classification.

Softcover, minor soiling, condition bdb., dimensions approx. 155x210 mm: part 1: Classification systems and elements of coin appurtenances, published by PTAiN, Warsaw 1985, pp. 400; part 2 (two notebooks): Heraldic depictions on coins, PTAiN Publishing House, Warsaw 1986, pp. 108 and 205; part 3: Monograms and non-heraldic depictions on coins, PTAiN Publishing House, Warsaw 1989, pp. 200+91; part 4: Legends, mint marks, coin grades and other classification elements, PTAiN Publishing House, Warsaw 1989, p. 446; part 5: Elements of classification of paper money, PTAiN Publishing House, Warsaw 1989, p. 94; 6 notebooks in total.