Besides coinage, the mint institutions perform other functions:

1. The reduction, until recently, of silver dollars to bullion for shipment under the Pittman Act.

2. The reduction and recoinage of gold and silver coins that are unfit for circulation.

3. The Making Of Assays At Nominal Cost For The Mining Industry.

4. The Manufacture Of Gold And Silver Bars For Shipment.

In 1918 there were made 105,650 bars of gold weighing 14.8 million fine ounces and valued at $305.9 million, and 12,116 silver bars weighing 4.5 million fine ounces and valued at $3.6 million.

5. The receipt and determination of the values and payment for deposits of platinum, gold, and silver in the form of bullion, plate, and jewelry. These activities were very important during the war. The platinum was refined and made into shapes for the use of the government institutions. Refineries are located at New York, Denver, and San Francisco.

6. The testing of coins as to fineness, to see whether they come within legal requirements.

7. The manufacture of dies; this is done by the department of engraving at the Philadelphia Mint; in 1918 it made 11,029 dies.

8. The manufacture of medals; 14,531 medals of gold, silver, and bronze, were made in 1918.

9. The Philadelphia Mint is making a numismatic collection, by gift, purchase, etc.

The United States law (Revised Statutes, Section 3547) provides for an Assay Commission to examine and test the weight of the coins reserved at the several mints during the preceding year. This commission counts, weighs, and assays, and acts as a check and proof on the mint officials.