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 rupiah made since coins were reintroduced to Indonesia in 1970 from either silver or gold. As commemorative coins, they were all sold above their intrinsic value, and also above their nominal value. All the coins struck are proof coinage, with the exception of the WWF 1974 coinage which were issued in non-proof 50% silver, and proof and non-proof gold. 36,000 gold pieces of the 1952 50 sen were minted that year, with the obverse design replaced with the Garuda Pancasila and text "INDONESIA" "BERKERDJA MENABUNG MEMBANGUN". With the exception of the WWF and Save the Children issues, which are in good