Letter-about advertising tourist motivations. (Machine-translation by Google Translate, not legally binding)

摘要

Letter-envelope with tourist-advertising motivations essentially characterized by consisting of a rectangular and elongated piece of paper, of the appropriate characteristics, which, by folding around a line coinciding with its average parallel to the smaller sides, determines the formation of two sheets superimposable and identical, intended in turn to be folded around a line perpendicular to the previous one, forming two double sheets, whose superposition will determine the final piece destined to your postal shipment, which is closed by correspondence and glued to the free edges and confronted by their free larger sides, according to a band provided with glue and determined, in the vicinity of those edges, by means of a climbing line, susceptible to tearing by digital express action. (Machine-translation by Google Translate, not legally binding)