for the award, on behalf of the Congress, of a single gold medal of appropriate design to Stephen Michael Gleason. (b) Design and striking For the purposes of the award referred to in subsection (a), the Secretary of the Treasury (hereafter in this Act referred to as the Secretary ) shall strike the gold medal with suitable emblems, devices, and inscriptions, to be determined by the Secretary. 4. Duplicate medals Under such regulations as the Secretary may prescribe, the Secretary may strike and sell duplicates in bronze of the gold medal struck under section 3, at a price sufficient to cover the costs of the medals, including labor, materials, dies, use of machinery, and overhead expenses. 5. Status of medals Medals struck pursuant to this Act are national medals for purposes of chapter 51 of title 31, United States Code.