and the President pro tempore of the Senate shall make appropriate arrangements for the award, on behalf of the Congress, of a single gold medal of appropriate design to the Korean war combat veterans, collectively, in recognition of their dedicated service during the Korean war. (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. (c) Smithsonian Institution (1) In general Following the award of the gold medal in honor of the Korean war combat veterans, under subsection (a), the gold medal shall be given to the Smithsonian Institution, where it will be displayed as appropriate and made for research. (2) Sense of Congress It is the sense of Congress that the Smithsonian Institution should make the gold medal received under paragraph (1) available for display elsewhere, particularly at other appropriate locations associated with the Korean war combat veterans. 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 (a) National medals Medals struck pursuant to this Act are national medals for purposes of chapter 51 of title 31, United States Code. (b) Numismatic items For purposes of section 5134 of title 31, United States Code, all medals struck under this Act shall be considered to be numismatic items.