There are 6 names in this directory containing the search term trial. Clear results.
Coins created by dies that were used to test the design during various stages of productions.
A system to catalog U.S. pattern, experimental, and trial coins invented by Dr. J. Hewitt Judd in 1959.
Trial of the Pyx
The annual test of gold and silver coins to ensure they are have been properly minted. The pyx is an official container that holds samples from each coinage run. The Royal Mint holds an annual Trial of the Pyx. In the United States, the Assay Commission was dissolved in 1980, ending the annual practice.
A coin that has been struck in an attempt to adjust the pressure of the dies. See also die trial.