Numismatic and historical study of the 1885 Puerto Rico counterstamped coinage provisional issue. The work presents a documented analysis and a typological classification of the "fleur de lis" countermarks used in the process of counterstamping the coins, as well as a description of the comtemporary counterfeits and of the numismatic forgeries.

The book also covers the historical background and description of a series of sugar cane and coffee plantation tokens that were locally hand struck by Abarca Foundry, which were identified and documented by the author of this book, who is a prominent and well respected Puerto Rican archaeologist and historian.