1913年6月23日古城子寄北京双挂号破剖红条封, 封背贴加盖宋字中华民国4 分一枚, 10 分二枚及商务加盖2 分一枚, 销古城子日戳, 并盖人手填号码挂号印及有"AR" 字样, 此外有7月10日兰州中转日戳与7月28日北京到达戳; 寄省外邮费是6分, 另外双挂号与回执邮费共20 分. 品相中上及极具收藏价值.SinkiangChinese Republic PostOverprinted Stamps1913 (23 June) opened-out red band envelope double registered to Peking bearing, on the reverse, Statistical Dept. 4c. and 10c. (2) plus Commercial Press 2c. tied by Kuchengtze c.d.s., with manuscript registration number and large "AR", transit c.d.s. of Lanchow (10.7) and Peking arrival (28.7); fine and attractive. Pays the 6c. rate to other provinces plus 10c. each for registration and advice of receipt. Photo