Mint-made errors 5 centavos. Foreign coins struck on a U.S coin planchet or vice versa are very uncommon and hold a high value. Authentic error coins should not be confused with coins that are damaged after being minted, which is known as post-mint damage (PMD) or post-strike damage (PSD). Mints purchase long strips of metal which are fed through blanking machines that punch out disks known as blank planchets (or simply as planchets or blanks) on which coins are struck. This determines the size and shape of eventual coins. The punched disks are first known as "type-1 blanks (or planchets)". The disks
Metal furniture Iron is subject to corrosion at the hands of the moisture and air. Stainless Steel is used very extensively for most modern interior furnishings involving metal. Many hinges, slides, supports and body pieces are composed of Stainless. It has a high tensile strength, allowing it to be applied using hollow tubes, reducing weight and increasing user accessibility. Aluminum is a light and corrosion resistant metal,and to take advantage of these qualities, it is heavily utilized for stamped and cast furniture, especially in the category of molded chairs. Aluminum atoms form an outer layer of Aluminum Oxide, which prevents the internal