This section offers a specialized selection of numismatic books, catalogues and magazines dedicated to the study of national and international coinage. It gathers essential technical literature for collectors, researchers and enthusiasts of coins from all periods. The category is organized into subthemes to ensure intuitive navigation, including works on classical coins, Portuguese Monarchy issues, Portuguese Republic coinage and world coins, covering different historical periods, monetary systems and economic contexts. These publications are fundamental tools for proper identification, classification, evaluation and organization of any collection, helping collectors deepen their knowledge and enhance the value of each piece. The section will be continuously expanded with the extensive bibliographic stock available, providing indispensable references for anyone studying or collecting coins.