民国十七年中央银行壹,拾,伍拾,壹佰圆单面试印样票一组七枚,均WBG40Q-62Q;Central Bank of China, a group of die proofs from the 1928 issue consisting of: 1 yuan (obverse and reverse), 10 yuan (obverse and reverse), 50 yuan (2 reverse) and 100 yuan (1 reverse),(Pick 195pr, 197pr, 198pr and 199pr), all graded by World Banknote Grading 40Q to 62Q (2 pairs + 3 loose pieces)