Exchanges in Currency

 In a time when economic discussions lead to the topic of currencies and their stability, it's easy to forget there were once many more currencies in play than there are today.  Add coin collecting and numismatics to Giovanni's list of hobbies and interests.   

The Art and Science of War

At first glance the brown cloth cover of Pläne zu dem Abrichtungs-Reglement der k. k. Linien-Infanterie, or Plans for the Training Regulations of the Imperial-Royal Line Infantry, 1843, doesn't seem to be any more unusual than any of the other books in Giovanni's collection.