sentences:  It controls the volume of money supply in the economy in order to ensure monetary and price stability.The Currency & Branch Operations Department of the CBN is in charge of currency management, through the procurement, distribution/supply, processing, reissue and disposal/disintegration of bank notes and coins.The privatization of the Mint by President Olusegun Obasanjo in February 2002 was controversial, and Managing Director Sambo Dasuki resigned in protest.