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Final Price: RMB 200,000

1944 2nd Printing no-face-value pale red Pigeon green opt. “Express Mail” with blue black framed opt. “Ordinary”，upper right corner blue-black h.s. “AI”，on piece； “Express” opt. “Ordinary” stamp is the only existing example so far，while opt. “AI” stamps only have less than 10 recorded，the rest were original “Ordinary”，”Confidential” and “Express” opt. “AI”； this piece was changed from “Express” to “Ordinary” then opt. “A.I”，being the unique item，extremely scarce，collection of the famous liberation area collector Z.H. Shen