The United States Assay Commission was an agency of the U.S. federal government from 1792 to 1980. Its function was to supervise the annual testing of the gold, silver, and base metal coins produced b
Mint Director Nellie Tayloe Ross addresses the 1952 assay commissioners
Elongated coin for Leonard W. Stark, coin dealer and 1963 assay commissioner
Mint Director Nellie Tayloe Ross (left) looks on as two members of the 1942 Assay Commission weigh a coin.
Charles G. Dawes was an assay commissioner in 1899 and 1900; he later became vice president.
Trial of the Pyx
Videos
The Trial of the Pyx is a judicial ceremony in the United Kingdom to ensure that newly minted coins from the Royal Mint conform to their required dimensional and fineness specifications. Although mode
United States Assay Commission
…passed the Mint Act of 1792. In addition to setting the standards for the new nation's coinage, Congress provided for an American version of the British Trial of the Pyx: That from every separate mass of standard gold or silver, which shall be made into coins at the said Mint, there shall be taken, set apart by the…
Trial of the Pyx in the Livery Hall at Goldsmiths' Hall