邮品的纸质,是指纸的种类、性能和外观。它主要取决于造纸用的原料、生产工艺和具体的加工方法。这些如有不同,生产出的纸在纸质上也不同,因此常具有可分辨的特征。掌握和熟悉纸质特征,是集邮者区分邮品版别和鉴别邮品真伪的重要依据之一。 Paper products, refers to the type of paper, performance and appearance. It depends mainly on the raw materials used in papermaking, production processes and specific processing methods. If these are different, the paper produced is also different in paper, and therefore often has distinguishable characteristics. Mastery and familiarity with paper features are one of the important bases for philatelicists to distinguish the type of postal products from authenticity of postal products.