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 Indian rupee of Copper-nickel. However, these 5 rupee and 10 rupee coins were not the part of the Hasta Mudra series. The 5 rupee and 10 rupee coins were issued for common circulation in 2007, 2008, 2009 with changed designs and continued to be minted until the introduction of the Rupee Symbol series in 2011. In 2011, RBI issued a series in denominations of 50p, ₹1, ₹2, ₹5, and ₹10. The 50p, ₹1, ₹2, and ₹5 designs are identical except the absence of the rupee symbol in 50p coin. The ₹10 coin continued to be issued in bimetallic issues as previously. Because