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 5 Piso denomination was stopped, but resumed (in a new smaller size) concurrent to the final four years of the Flora and Fauna Series which featured reduced sizes for all denominations. The Flora and Fauna Series was struck from 1983 through 1994. In 1995 the New BSP Series was introduced, which is still circulating today, but might be demonetized soon. Only this current series of coins are legal tender as of January 2, 1998, when the Bangko Sentral ng Pilipinas issued BSP Circular No. 81 which called for the demonetization of all previous existing Central Bank coins minted before 1995.