SinkiangChinese Republic PostOverprinted Stamps1923 (6 Apr.) envelope registered to Kaifeng bearing 1916-19 1c. and 6c. (3) tied by Tihwa bilingual c.d.s. with the boxed registered handstamp alongside, a further despatch on the reverse with Sian (6.5) and Kaifeng arrival (10.5) c.d.s.; horizontal crease at foot. Paying the 9c. rate plus 10c. registration. Photo
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