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
Commemorative coins of the Czech Republic from 2006 to 2010. All have got face value 2 500 Kc. Bridges in the Czech Republic Issued from 2011. Last should be minted in 2015. All have got face value 5 000 Kc. Future releases Commemorative coins of the Czech Republic The Czech National Bank issues 200 / 500 Koruna (Kč) silver commemorative coins and golden commemorative coins of various denominations. The golden coins are issued in thematic sets – Bohemian crown set, Charles IV set, Ten centuries of architecture set, Industrial Heritage Sites set and Bridges in the Czech Republic set. In 2000 the special 2000 Kč silver