Metallurgical assay and the U.S. Mint continue to produce precious metal bullion coins for collectors and investors. The precious metal purity and content of these coins is guaranteed by the respective mint or government, and, therefore, the assay of the raw materials and finished coins is an important quality control. In the UK, the Trial of the Pyx is a ceremonial procedure for ensuring that newly minted coins conform to required standards. Metallurgical assay A metallurgical assay is a compositional analysis of an ore, metal, or alloy. Some assay methods are suitable for raw materials; others are more appropriate for finished goods.
Coins of the Philippine peso standing female figure (considered by many to be the daughter of the designer 'Blanca') in the act of striking the anvil with a hammer. This was done to show the work being done by Americans in building a better Philippines. Liberty appears on the silver coins, instead of the base metal coins. The reverse of the coins comes in two varieties. The earliest coins were minted when the islands were a US Territory, and they bear the arms of the US Territories. This is a broad winged eagle, sitting atop a shield divided into two registers. The upper register has