EDIT: "The limitation on gold ownership in the U.S. was repealed after President Gerald Ford signed a bill to "permit United States citizens to purchase, hold, sell, or otherwise deal with gold in the United States or abroad" with an act of Congress codified in Pub.L. 93–373,[19][20][21] which went into effect December 31, 1974."
https://en.wikipedia.org/wiki/Executive_Order_6102
EDIT: "The limitation on gold ownership in the U.S. was repealed after President Gerald Ford signed a bill to "permit United States citizens to purchase, hold, sell, or otherwise deal with gold in the United States or abroad" with an act of Congress codified in Pub.L. 93–373,[19][20][21] which went into effect December 31, 1974."