论文部分内容阅读
非标准信封,自1995年4月1日退出通信舞台以来,仅两年多的时间,它又成了“新宠”。许多收藏者视这为一种珍品、一种历史
Non-standard envelopes, since April 1, 1995 exit the communication stage, only two years time, it has become the “new favorite.” Many collectors regard this as a treasure, a kind of history