Royal Mint other manufacturers. The Trial of the Pyx is the procedure in the United Kingdom for ensuring that newly-minted coins conform to required standards. The trials have been held since the twelfth century, normally once per calendar year, and continue to the present day. The form of the ceremony has been essentially the same since 1282. They are trials in the full judicial sense, presided over by a judge with an expert jury of assayers. Since 1871, the trials have taken place at the Hall of the Worshipful Company of Goldsmiths, having previously taken place at the Palace of Westminster. Given
Coins of the Romanian leu Coins of the Romanian leu The Coins of the Romanian leu have been issued since the introduction of the Romanian leu in 1867. In 1867, copper 1, 2, 5 and 10 bani were issued, with gold 20 lei (known as "poli" after the French Napoleons) first minted the next year. These were followed, between 1870 and 1873, by silver 50 bani, 1 and 2 lei. Silver 5 lei were added in 1880. Uniquely, the 1867 issue used the spelling 1 "banu" rather than 1 ban. In 1900, cupro-nickel 5, 10 and 20 bani coins were introduced, with holed versions following