; (ii) the Women in Military Service for America Memorial; (iii) the U.S. Army Women’s Museum; (iv) the National Naval Medical Centers; and (v) the National World War II Museum; and (B) any other location determined appropriate by the Smithsonian Institution. 4. Duplicate medals 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. 6. Authority to use fund amounts; proceeds of sale (a) Authority To use fund amounts There is authorized to be charged against the United States Mint Public Enterprise Fund such amounts as may be necessary to pay for the costs of the medals struck under this Act. (b) Proceeds of sale Amounts received from the sale of duplicate bronze medals authorized under section 4 shall be deposited into the United States Mint Public Enterprise Fund.