; (2) have a diameter of 1.500 inches; and (3) contain not less than 90 percent silver. (b) Legal tender The coins minted under this Act shall be legal tender, as provided in section 5103 of title 31, United States Code. (c) Numismatic items For purposes of sections 5134 and 5136 of title 31, United States Code, all coins minted under this Act shall be considered to be numismatic items. 4. Design of coins (a) Design requirements (1) In general The designs of the coins minted under this Act shall be representative of either the Morgan dollar or the Peace dollar. (2) Designation and inscriptions On each coin minted under this Act, there shall be— (A) a designation of the value of the coin; (B) an inscription of the year 2021 ; and (C) inscriptions of the words Liberty , In God We Trust , United States of America , and E Pluribus Unum . (b) Selection The designs for the coins minted under this Act shall be— (1) selected by the Secretary after consultation with the Commission of Fine Arts; and (2) reviewed by the Citizens Coinage Advisory Committee. 5. Issuance of coins (a) Quality of coins Coins minted under this Act shall be issued in uncirculated and proof qualities. (b) Mint facility Notwithstanding section 5131 of title 31, United States Code, it is the sense of Congress that if the Secretary determines it to be feasible and cost effective, the Secretary may mint some of the coins minted under this Act at the Nevada State Museum (formerly a United States Mint facility) located in Carson City, Nevada. (c) Period for issuance The Secretary may issue coins under this Act only during the 1-year period beginning on January 1, 2021. 6. Sale of coins (a) Sale price The coins issued under this Act shall be sold by the Secretary at a price equal to the sum of— (1) the face value of the coins; (2) the surcharge described in section 7 with respect to the coins