Air Mail cover 1937 (10 Aug.) first flight XU5 from Tsinan to Hong Kong, bearing 30c. tied by despatch c.d.s. with similar strike adjacent. Rare. Photo
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Air Mail cover 1937 (10 Aug.) first flight XU5 from Tsinan to Hong Kong, bearing 30c. tied by despatch c.d.s. with similar strike adjacent. Rare. Photo
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Fine Stamps and Covers of Hong Kong and China
