2c on 1c, 4c on 2c, 10c on 5c, Offices in China (K1, K2, K5).
Four of No. K2, tied by oval Shanghai handstamps on back of registered cover to Chicago Ill., purple "U.S. Postal Agency, Shanghai, China Nov. 22, 1922" double-circle datestamp, Chicago datestamps, Hong Kong return address, some slight edgewear and some slight toning around perfs from gum, Fine, colorful usage
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