文房四寶：如何鑒別與挑選 -- 許建礎 (英國詩書畫協會主席)
Mr. Jianchu Xu is a renowned painting and calligraphy teacher. He started to learn Chinese calligraphy in 1980 under supervision of the famous Chinese calligrapher Mr. Laoyun Yu. Mr. Xu recently became chairman of the Chinese Poetry, Calligraphy & Painting Society of UK and honorary principal of the Shifu Art College of China (中国盐城式夫书画院). He received the Award of Excellence in the Chinese Calligraphy Competition UK 2011 and a Special Award during the international Chinese Arts Competition in 2014.