二、传统邮集素材的运用传统邮集的素材主要包括:邮票、封、片、简、单等;邮票的各种变异,如水印、背胶、齿孔、纸质和版别;经采用或未经采用的试模样票、样票及设计原图;发明邮票以前的手盖戳记史前封;其它特殊邮品,包括赝品,以及当邮票用的实销印花税票或未销邮税两用票。如何在展品中恰当地运用这些素材,是邮集作者普遍关心的问题。1.邮票的运用 Second, the use of traditional postage material Traditional postage material mainly include: stamps, seals, films, simple, single, etc .; stamps of variation, such as watermarks, gums, perforation, paper and version; adopted or not Stamps and design drawings adopted by the applicant; stamps of previous stamps of inventions stamps prehistoric seals; other special stamps, including counterfeit stamps, and stamps of actual stamps or unissued stamps, both for stamps. How to properly use these materials in exhibits is a common concern of the collectors. 1. The use of stamps