Section 9. One dollar is standard silver (27g) containing 37 1.25 pieces of pure silver (24.13g of pure silver) or 4 16 pieces; The value is equivalent to the Spanish dollar at that time.

Section 13. The metal content of silver coins is pure silver 1485 parts versus copper 179 parts.

(Note: 1 capsule = 0.065g)

Because at that time, many people in the New World of America used Spanish coins as coins. The old Spanish silver coin is about 37 1 pure silver, so the new dollar silver coin takes this as the standard to maintain the interchangeability between the new dollar and the Spanish dollar.