A printing mark of improntas. (Machine-translation by Google Translate, not legally binding)

摘要

A printing mark of printing presses, characterized in that it is constituted by a support in the form of a rectangular parallelepiped with a square section, at the end of which the character itself, obtained by cutting, appears in relief and which has on either side of said character a oblique discharge of material, also obtained by cutting at the same time as the character, and a part discovered at said end obtained by circular recess. (Machine-translation by Google Translate, not legally binding)