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 discontinued but continued to be the legal tender. In Series IV, 5 paisa and 20 paisa coins were discontinued though they continued to be minted in Series III till 1994 and 1997 respectively. 10 paisa, 25 paisa and 50 paisa coins were minted in Stainless Steel. 1992 onwards, 1 Re coin was also minted in Steel and Rs. 2 and Rs. 5 coins in Copper Nickel were introduced. The very considerable costs of managing note issues of Re 1, Rs 2, and Rs 5 led to the gradual coinage of these denominations. These coins continued to be minted till 2004,