Engraved or stamped with decorative elements for instructional and propaganda purposes. (Machine-translation by Google Translate, not legally binding)

摘要

Engraving or stamping with decorative elements for instructional and propaganda purposes that essentially consists of a negative tracing or with white lines of an image; having marked in the vicinity of the center of its contour or in the center itself one or more points or equivalent signal in such a way that they do not distort said image and, if possible, damage it by contrast, being able to have the engraving or stamp a black or adequate color background. . (Machine-translation by Google Translate, not legally binding)