People's Bank of China, 1st series renminbi, 1949, 50 Yuan uniface obverse and reverse specimen, 'Steam Roller', control number 003058/013082,(Pick 828s1, 828s2), the front note graded PMG 63 (Small Tear), the reverse note graded 53 (Tear) (1 pair).
Estimate: HK$3,000 - HK$6,000