to our Nation. (b) Design and striking For the purposes of the award described in subsection (a), the Secretary of the Treasury (in this Act referred to as the Secretary ) shall strike a 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 under subsection (a), the gold medal shall be given to the National Museum of African American History and Culture of the Smithsonian Institution, where it shall be displayed as appropriate and made available 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 locations and events associated with the Buffalo Soldiers. 4. Duplicate medals The Secretary may strike and sell duplicates in bronze of the gold medal struck pursuant to section 3, at a price sufficient to cover the cost thereof, including labor, materials, dies, use of machinery, and overhead expenses. 5. Status of medals (a) National medals The medals struck under this Act are national medals for purposes of chapter 51 of title 31, United States Code. (b) Numismatic items For purposes of sections 5134 and 5136 of title 31, United States Code, all medals struck under this Act shall be considered to be numismatic items. 6. Authority to use fund amounts