Obsolete term for a short-term government security issued by the former Ministry of Finance (大蔵省). Replaced by 財務省証券 after the 2001 central government restructuring.
Treasury bills were once one of the short-term securities issued by the government.
Modern equivalent after the Ministry of Finance was reorganized in 2001. 大蔵省証券 is the obsolete predecessor.
Compound of 大蔵省 (Ministry of Finance) and 証券 (security). The term became obsolete when the ministry was renamed in 2001.