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1992年版15分片可分A、B、C、D四种版式,其A版尚有一处明显特征,未为各家所道:即片头文字“中国人民邮政
1992 version of 15 points can be divided into A, B, C, D four layouts, the A version there is a clear characteristic, not for every way: the title piece "Chinese People’s Post