Avatar, avatar, etc. According to information from Baidu Encyclopedia, the fifth set of RMB offset printing patterns are: Mao Zedong’s head on the left side of the front, a peony flower pattern on the right side, a peony flower head on the left side of the back, and Chairman Mao Zedong’s calligraphy “The country is like this” on the right side. "How charming". The fifth set of RMB was issued by the People's Bank of China on October 1, 1999, on the occasion of the 50th anniversary of the founding of the People's Republic of China.