.Be it enacted . . ., That there shall be coined, at the several mints of the United States, silver dollars of the weight of four hundred and twelve and a half grains Troy of standard silver, as provided in the act of . . . [January I8, I837] . . ., on which shall be the devices and superscription provided by said act; which coins together with all silver dollars heretofore coined by the United States, of like weight and fineness, shall be a legal tender, at their nominal value, for all debts and dues public and private, except where otherwise expressly stipulated in the contract. And the Secretary of the Treasury is authorized and directed to purchase, from time to time, silver bullions at the market price thereof, not less than two million dollars worth per month, nor more than four million dollars worth per month, and cause the same to be coined monthly, as fast as so purchased into such dollars.... And any gain or seigniorage arising from this coinage shall be accounted for and paid into the Treasury, as provided under existing laws relative to the subsidiary coinage: Provided, That the amount of money at any one time invested in such silver bullion, exclusive of such resulting coin, shall not exceed five million dollars....

SEC. 2. That immediately after the passage of this act, the President shall invite the governments of the countries composing the
Latin Union, so-called, and of such other European nations as he may deem advisable, to join the United States in a conference to adopt a common ratio between gold and silver, for the purpose of establishing, internationally, the use of bimetallic money, and securing fixity of relative value between those metals; such conference to be held at such place, in Europe or in the United States, at such time within six months, as may be mutually agreed upon by the executives of the governments joining in the same, whenever the governments so invited, or any three of them, shall have signified their willingness to unite in the same.

The President shall, by and with the advice and consent of the Senate, appoint three commissioners, who shall attend such conference on behalf of the United States, and shall report the doings thereof to the President, who shall transmit the same to Congress.

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SEC. 3. That any holder of the coin authorized by this act may deposit the same with the Treasurer or any assistant treasurer of the United States, in sums not less than ten dollars, and receive therefor certificates of not less than ten dollars each, corresponding with the denominations of the United States notes. The coin deposited for or representing the certificates shall be retained in the Treasury for the payment of the same on demand. Said certificates shall be receivable for customs, taxes, and all public dues, and, when so received, may be reissued.