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
Trial of the facts otherwise; it is "limited to ensuring that the interference with the liberty of the defendant consequent upon whatever order might be made following an adverse finding can be justified by reference to what can be proved about what he or she did, even if intention might have been clouded by delusion or other incapacity." Trial of the facts Under the law of England and Wales regarding insanity and unfitness to plead, once a court has determined that the defendant is subject to a disability that prevents their trial progressing, there may be a "trial of the facts" in which the