附捐邮票,是在邮票的原有面值上另外增加一小部分捐款费,用来为社会公共福利事业筹集资金而发行的附加捐资邮票,也叫福利邮票或慈善邮票。在附捐邮票上,邮资面值和附捐金额的表示方法是:邮资面值+附捐金额。附捐金额是不能作为邮资使用的。1998年,中国邮政发行的《抗洪赈灾》附捐邮票就是一枚50分面值+50分附捐的邮票。笔者在整理资料时,发现了一枚于2006年1月从辽宁辽中县寄往西安的一封信(图1),信封正面没贴邮 Attached stamps are additional donated stamps, also known as welfare stamps or philanthropic stamps, issued on the original face value of the stamp by adding a small portion of the donation fee to raise funds for social welfare services. On the attached stamp, the nominal value of the postage and the attached amount are expressed as the postal par value + the attached amount. Donations can not be used as postage. In 1998, the postage stamp “Flood Relief and Relief” issued by China Post is a 50-cent stamp with +50 cents. At the time of collating information, I found a letter (Figure 1) sent to Xi’an from Liaozhong County, Liaoning Province in January 2006. There was no post on the envelope