承蒙《集邮博览》的关照,笔者每年都在刊物上撰写一篇关于矿物宝石专题邮票发行情况的文章。今年又到了对2011年世界上发行的该专题邮票进行汇总统计和撰文之时,我却有些犹豫了,因为在2011年底,笔者收到美国专题集邮协会——宝石矿物和珠宝研究会寄来新一期会刊,在刊首“主席的话”中提醒邮人,万国邮联对近年来非洲几内亚比绍、圣多美和普林西比、科摩罗、多哥等一些国家发行的邮票产生质疑,认为是“伪造品”而未被列入 Thanks to the attention of “Philatelic Expo”, I write an article on the issue of mineral gems special stamp every year. I was somewhat hesitant this year when I came up with a summary statistics and an article on the special stamps issued in the world in 2011 because at the end of 2011 I received a letter from the American Symposium on the Collection of Philatelic Gems and Gems, In the first issue of the journal, “Chairman’s Note” reminds the postman that the UPU has issued stamps in recent years in countries such as Guinea-Bissau, Sao Tome and Principe, Comoros and Togo in Africa Produced questioned, considered to be “fake goods” and not included