CHINA--REPUBLIC. Central Bank of China. 20 Cents, 1940. P-227a. PCGS GSG Gem Uncirculated 65 OPQ.A Central Bank of China 20 Cent note in Gem Uncirculated OPQ condition, this note shows vivid colors as well as a detailed portrait vignette on the face of the note.PCGS GSG Gem Uncirculated 65 OPQ.