"750 1" porcelain, namely "Chairman Porcelain", was developed and produced by the Institute of Light Industry Ceramics for Chairman Mao Zedong in that year, and was assigned by the superior in 1975, commonly known as "Mao Porcelain". This kind of porcelain is extremely precious and has not been sold in the market, so it has flowed through. At that time, China only gave some "750 1" porcelain as gifts to the United Nations, so the market price was difficult to estimate.
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