dies, use of machinery, and overhead expenses. (b) Proceeds Amounts received from the sale of the duplicates under subsection (a) shall be deposited in the United States Mint Public Enterprise Fund established under section 5136 of title 31, United States Code. 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 of title 31, United States Code, all medals struck under this Act shall be considered to be numismatic items.