; (B) have a diameter of .850 inches; and (C) contain 90 percent gold and 10 percent alloy. (2) $1 silver coins Not more than 100,000 $1 coins, which shall— (A) weigh 26.73 grams; (B) have the diameter of 1.50 inches; and (C) contain not less than 90 percent silver. (3) Half-dollar clad coins Not more than 200,000 half-dollar coins which shall— (A) weight 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 the purposes of section 5134 of title 31, United States Code, all coins minted under this Act shall be considered to numismatic items. 4. Design of coins (a) Design requirements (1) In general The design of the coins minted under this Act shall be emblematic of the 100 year anniversary of the 1st Infantry Division. (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 2017; and (C) inscriptions of the words Liberty , In God We Trust , United States of America , and E Pluribus Unum . (b) Selection The design for the coins minted under this Act shall be— (1) selected by the secretary after consultation with the Society of the 1st Infantry Division and the U.S. Army Center of Military History