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 Czechoslovak koruna (1953) Coins of the Czechoslovak koruna (1953) After the 1953 currency reform a new series of coins were introduced. Coins were first issued in denominations of 1, 3, 5, 10, 25 h – the 1, 3 and 5 Kčs denominations only existed as paper money (state notes). The haler coins dated 1953 were all minted in Leningrad. The 1, 3 and 5 Kčs state notes were replaced by coins in 1957, 1965 and 1966, respectively. The 50 h coin appeared in 1963. In 1972 the 25 h and 3 Kčs coins were withdrawn, and – from 1972 – 20 h (as