The book comprises a selection of various types of prints, labels, stamps and engravings, created by artists for book collectors, personalities and institutions and is the first book on the marks of origin in Peru. In its pages are exlibris stamps belonging to General Don José de San Martín, the explorer Hiram Bingham, the historian Raúl Porras Barrenechea and the precursor and doctor Hipólito Unanue, among other illustrious characters of our history.