People's Bank of China, 5th series renminbi, pair of 100yuan notes, dated 1999 and 2005 with the same prefix solid number 'SB55555555', red and multicoloured, Mao Zedong at right, Great Hall of the People on reverse, an amazing offering of a very popular theme and the first time seen by the cataloguer,(Pick 901 and 907) both PMG 66EPQ Gem Uncirculated (2)