The painting is to be sold with a certificate of authenticity issued by Lin & Keng Gallery, Taipei.

Taiwan contemporary artistic style is extremely strong with the temporal spirit and sociality. The lifting of martial law in Taiwan in 1987 is a very important turning point for the development of contemporary culture in Taiwan and it led tothe development of contemporary art in Taiwan in early 1990s to the mid of 1990s. Together with this trend of development, critical political and social artistic works have fully reflected the social situation at that period. The artist style formed by precise shade and shadow, the colors penetrated through the heart, and strong expression of selfhood thinking manner is the typical style of contemporary art group, Hantu Society, in Taiwan. From the series of "Tayouan Topography" in 1996, Yang Mao-lin started to put cartoon figures into the creation as of great significance image. As one of the artists in Hantu, Yang Mao-lin's introspective, conscious, critical and delicate style has been extended ever since. Create masterpiece reflecting strong and trendy soul is consistent spirit pursued by the artist. In the masterpiece, "Yun Mountain Memorandum L9215", created in 1992, the artist adopted exaggerating expression by enlarging the state of plant. The unusual appearance of the plant in the shape of a cone has expressed the unyielding vitality, alluding to the life in the countryside and the tenacity of Taiwan people. It contains strong trend of contemporary living.