“西伯利亚封”是指通过俄国西伯利亚地区传递的信函。 西伯利亚封可分为两大类,一是在封上写上或用戳 盖上“Siberia”(西伯利亚)字样的信封,这类封多是国际封, 即通过西伯利亚邮路,从中国寄往欧洲各国的信件,极少 数是寄往美洲的;另一类是从中国新疆寄往内地的信件, 也在封上写有或盖上“由俄国转”的字样,即通过俄国西 伯利亚邮路从中国东北再进入内地,实际是中国国内信 “Siberian envelope ” refers to the communication through the Russian Siberia region. The Siberian letters can be divided into two categories, one is the letter “Siberia” (Siberian) written on the seal or stamped with a stamp that is mostly international in nature, that is, sent from China through the Siberian mailpost Letters to European countries, a very small number sent to the Americas; the other is from China, Xinjiang, sent to the Mainland letters, but also sealed with the written or covered “from Russia to” the words, that is, through Russia, Siberia The postal route entered the Mainland again from northeast China, which is actually a domestic letter from China