China 1949-50 Unit and Silver Currency Postal History 1949 (June 28) Air Mail Cover to Singapore, franked on front and on reverse with international air mail 40f rate, tied by Ampow cds. Estimate HK$ 4,000-5,000
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China 1949-50 Unit and Silver Currency Postal History 1949 (June 28) Air Mail Cover to Singapore, franked on front and on reverse with international air mail 40f rate, tied by Ampow cds. Estimate HK$ 4,000-5,000