11076 | 1949 13 MAY Airmail envelope from Swatow to Hong Kong （14.5）
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Final Price: RMB 2,000
1949 13 MAY Airmail envelope from Swatow to Hong Kong （14.5），bearing Shanghai Dah Tung Print Airmail Unit stamp and Domestic Letter stamp，example of the earliest used silver yuan unit stamp，excellent condition
