Two Chinese Shoushan Stone Seals

Chinese Shoushan Stone Seals. Bing Quan. H:1 in. ( 2.5cm) and 1.5 in.( 4 cm) ,lot 1- lot 26,from Washington DC Mrs. &Mr. Yu collection, Provenance from Mrs. Yu He Xiuwen.Professor Ping Kuen Yu, former Director of the Center for Chinese Research
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