What is the price of Feng's calligraphy per square meter?

Mr. Feng is a contemporary strength calligrapher in China, a member of China Calligraphers Association, a member of China Hard Pen Calligraphy Association, a national first-class artist, the vice chairman of Hebei Bangshu Association, and the first president of Hebei Cultural Celebrity Painting and Calligraphy Institute. The works are unique in shape, magnificent, beautiful, unique in style and highly collectible. Calligraphy works have been appraised by the national calligraphy and painting appraisal agency: Runge 15000 yuan/square foot. His calligraphy masterpiece "Hua Soul" was selected by the relevant state units and was permanently engraved on the Juyongguan Great Wall in Beijing in May 2008. The brushwork of this work is vigorous and magnificent, which complements the magnificent scenery of the Great Wall in Wan Li and Juyongguan ... At present, it is 1.5 million yuan/square foot.