China. Zhongguo Renmin Yinhang / Chung Kuo Jen Min Yin Hang (People’s Bank of China). 1999-2005 Mao Issues. New security signs: Yellow Omron rings. 20 yuan Type 2005. Brown on peach and multicolor underprint. Front: Mao Tse-Tung at right. Back: River scene. Similar earlier note without Omron rings: Pick #899.