A currency sorter includes: take-in means (101) for taking currency notes in the sorter one by one; discriminating means (105) for discriminating the currency notes according to new and old versions, fit and unfit conditions, denominations and other categories; a plurality of stacking units (111 to 115) for stacking the currency notes of a predetermined category/categories designated to be bundled according to the discrimination results obtained by said discriminating means; designating means (11) for designating the category/categories of the notes to be bundled and a mode of sorting the notes to leave unbundled; and control means (400) for controlling allocation of currency notes discriminated by said discrimination means to said stacking units according to a designation by said designating means.