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 Indian rupee when the Unity in diversity series was launched. Cupro-Nickel coins are not minted anymore. Ferritic Stainless Steel coins of Two and Five Rupee denominations are currently in production. In 2004, RBI issued a series in denominations of 1 rupee, followed by 2 rupee and 10 rupee in 2005. These issues however came into circulation in 2006, and created a controversy over their design. 10 rupee coins were the first bimetallic coins issued in India, and because of the controversy and being minted in only one mint, most of the coinage never found its way into circulation. The ones which did