; National Museum of the Pacific War, and New Mexico Military Museum. 5. 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 4, at a price sufficient to cover the costs of the medals, including labor, materials, dies, use of machinery, and overhead expenses. 6. Status of medals (a) National medals 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 section 5134 and 5136 of title 31, United States Code, all medals struck under this Act shall be considered to be numismatic items.