; (12) the Federation leverages the prestige of Dunbar High School and its distinguished alumni to enhance the education of Dunbar High School students; (13) the Federation promotes Dunbar High School alumni from more than 35 years of graduating classes through their scholarship efforts, community activities, and other endeavors to support Dunbar High School; (14) the Federation helps finance such student development activities as the Debate Team, the Band, the Ski Team, the Junior Reserve Officer Training Corps, and athletics; (15) the Federation funds faculty, staff, and parent appreciation and development activities; and (16) the Federation collects and assembles artifacts and memorabilia from alumni for historical and legacy displays to chronicle Dunbar High School’s rich history. 3. Coin specifications (a) Denominations In recognition and celebration of Paul Laurence Dunbar, the Secretary of the Treasury (hereafter in this Act referred to as the Secretary ) shall mint and issue the following coins: (1) $5 gold coins Not more than 50,000 $5 coins, which shall— (A) weigh 8.359 grams; (B) have a diameter of 0.850 inches; and (C) contain not less than 90 percent gold. (2) $1 silver coins Not more than 400,000 $1 coins, 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 which shall— (A) weigh 11.34 grams; (B) have a diameter of 1.205 inches