民国12年中央银行伍圆样钞, AU, 纸有微黄;Central Bank of China, 5 yuan, specimen, 1923, serial number 000000, brown on multicolour, SYS at centre, red SPECIMEN overprinted at left and right, reverse blue, hole punch cancel, with extra paper at top,(Pick 173s), paper very slightly toned, almost uncirculated