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附图的3枚本埠实寄的信封与邮简,均销邮资机戳,邮资机日戳编号为“重庆大宗2”,邮资戳编号为“渝
Figure 3 of the port of the actual mail envelopes and postal mail, are sold stamping machine stamping, stamping machine stamping number “Chongqing bulk 2”, postal stamp number "Yu