; (B) have a diameter of 0.850 inches; and (C) contain not less than 90 percent gold. (2) $1 silver coins Not more than 500,000 $1 coins, each of which shall— (A) weigh 26.73 grams; (B) have a diameter of 1.500 inches; and (C) contain not less than 90 percent silver. (3) Half-dollar clad coins Not more than 750,000 half-dollar coins, each of which shall— (A) weigh 11.34 grams; (B) have a diameter of 1.205 inches; and (C) be minted to the specifications for half-dollar coins contained in section 5112(b) of title 31, United States Code. (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. (d) Mintage limit exception If the Secretary determines, based on independent, market-based research conducted by FWC2026 US, Inc., that the mintage levels described in this section are not adequate to meet public demand, the Secretary may increase the mintage levels as the Secretary determines is necessary to meet public demand. 4. Design of coins (a) Design requirements (1) In general The designs of the coins minted under this Act shall be emblematic of the sport of soccer and the FIFA World Cup. (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 2026 ; and (C) inscriptions of the words Liberty , In God We Trust , United States of America , and E Pluribus Unum . (3) Selection The designs for the coins minted under this Act shall be— (A) selected by the Secretary after consultation with— (i) FWC2026 US, Inc.; and (ii) the Commission of Fine Arts