新莽契刀五百 上美品。Lot 769 XIN: Wang Mang, 7-23 AD, AE key money 4021。31g41。 H-9。13。 qi dao wu bai 40inscribed knife [value] five hundred41, VF, S。Wang Mang was a nephew of the Dowager Empress Wang and during his time as her regent he usurped the throne and founded the Xin Dynasty. He introduced a number of currency reforms which met with varying degrees of success. The first reform in AD 7 retained the Wu Zhu coin but reintroduced two versions of the knife money: the value 500 and value 5000 types which were cast from AD 7-9.