Trial of the Pyx Trial of the Pyx The Trial of the Pyx () is the procedure in the United Kingdom for ensuring that newly minted coins conform to the required standards. These trials have been held from the twelfth century to the present day, normally once per calendar year. The form of the ceremony has been essentially the same since 1282 AD. These events are trials in the full judicial sense, presided over by a judge with an expert jury of metallurgical assayers. Given modern production methods, it is unlikely that coins would not conform, but this has been a problem in the
Coins of the Philippine peso 25 centavos and all coins were resized to be the same diameter as their US equivalents, albeit in more base metals, other than the centavo. The same seated man with anvil and volcano or standing liberty with anvil and volcano designs were retained for the obverses while the seal of the Central Bank of the Philippines dominated the reverse. These coins were minted by the Philadelphia Mint from 1958 through 1963, and then by the Royal Mint in England and the Vereinigte Deutsche Metallweke in West Germany in 1965 (dated 1964) and 1966. In view of all subsequent issues using