1907 Kalgan (20 Feb) to Peking, f.w. Coiling Dragon 2c on reverse,
tied by Chihli Kalgan double-ringed lunar year cds.
1907.2.20
1907 Kalgan (20 Feb) to Peking, f.w. Coiling Dragon 2c on reverse,
tied by Chihli Kalgan double-ringed lunar year cds.
1907.2.20 張家口寄北京，背貼蟠龍2分，銷直隸張家口雙圈干支日戳。
