U.S.; Offices in China, 2¢ to 40¢ Values on 11 Commercial Covers, #K1//K13, all to the U.S., 1919 to 1922 usages, noted 8 reg., frankings incl. #K7, K12, K13, seldom offered in quantity, inspect, Fine. Estimate $3,500-4,000.
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