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 Hawaiian dollar Coins of the Hawaiian dollar In 1847, the Kingdom of Hawaiʻi, under the reign of King Kamehaheha III, issued its first official coinage—a large one-cent copper penny—to alleviate the chronic shortage of small denomination coins circulating in the Hawaiian Islands. The next and last official coinage of the Hawaiian Islands was minted in 1883, by King Kalākaua I; however during the intervening period, the changing needs of the Hawaiian Islands were met by circulating private-issued tokens and the coins of the United States of America. The following is a list of known coins and tokens issued by the Kingdom of