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国家邮政局于11月20日发行了《中国“神舟”飞船首飞成功纪念》三角形邮票,这是我国三角形邮票于1951年发行其第一套以来与集邮者的阔别重逢,因此特别受人青睐。那末,世界上最早发行三角形邮票是在何地?这些邮票目前的价格又是几多呢?
The State Post Bureau issued a triangular stamp of “China’s” Shenzhou “Commemoration of the First Flight of a Spacecraft Success” on November 20, which is particularly popular with the stamp collectors since the issuance of its first set of triangular stamps in 1951. So where are the first triangular stamps in the world and what is the current price of these stamps?